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rileyjshaw/partial-calculator.js

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I have some enclosures, and I want to make a puzzle. I wrote a script to help make it an interesting puzzle.
Raw
partial-calculator.js
/**
* Partial calculator.
*
* I have some enclosures, and I want to make a puzzle.
*
* I'll turn the enclosures into a calculator, with no
* display but nine LEDs at the top. Some digits will
* be missing.
*
* The calculator will have 4 operations: +, -, x, ÷.
*
* The calculator will compute its solution after five
* digits are input, connected by four operations.
* Only single digit arguments are accepted; typing 3
* followed immediately by 6 is the same as just
* typing 6.
*
* There will be no parenthesis. Operations will happen
* immediately; order of operations does not apply.
*
* — — — — — — — — —
* |• * • * • * • * •|
* | |
* | 7 8 9 + |
* | |
* | 4 5 6 - |
* | |
* | 1 2 3 * |
* | |
* | 0 #MCU# ÷ |
* — — — — — — — — —
*
* The goal is to move from 0 to 512, moving on to
* the next level once an expression resolves to the
* current level number.
*
* For instance, to move through the first few levels:
*
* Level 0: 1 + 3 + 5 - 9
* Level 1: 3 + 7 - 5 - 2
* Level 2: 8 * 5 / 4 - 8
* ...etc.
*
* Holding an operation button for long enough should
* flash the current level in binary on the LEDs.
*
* This would be pretty easy with all 9 digits
* available. So some of the buttons will be torn off
* and unusable.
*
* Findings – this is the best calculator for low #s:
*
* — — — — — — — —
* | • * • * • * • |
* |— — — — — — — —|
* | 2 |
* | |
* | 4 6 |
* | |
* | 7 |
* |— — — — — — — —|
* | + - x ÷ |
* — — — — — — — —
*
* ...because it is pretty and takes us all the way to 98.
* Note that the case only needs seven LEDs for this one.
*
* Other nice ones are:
*
* - Got to 512 with [3, 6, 7, 8]
*
* — — — — — — — — —
* |• * • * • * • * •|
* | |
* | 7 8 + |
* | |
* | 6 - |
* | |
* | 3 * |
* | |
* | #MCU# ÷ |
* — — — — — — — — —
*
* The script below helped me figure out some good configurations:
*/
const digits = Array.from({length: 9}, (_, i) => i + 1); // 1...9.
const operations = [
[(a, b) => a + b, '+'],
[(a, b) => a - b, '-'],
[(a, b) => a * b, 'x'],
[(a, b) => a / b, '÷'],
];
const lengths = [6, 7]; // Acceptable numbers of digits.
const calculationLength = 5;
const getCombinations = (() => {
const memoizedCombinations = [];
const memoizedPermutations = [];
return function getCombinations (choices, length, permute = false) {
// Permute = false: [ [1, 2, 3], [1, 2, 4], ... ].
// Permute = true: [ [1, 1, 1], [1, 1, 2], ... ].
// Combinations are stored as indices until it's time to return.
const memo = permute ? memoizedPermutations : memoizedCombinations;
if (!memo[length]) memo[length] = [];
const memoized = memo[length][choices.length];
let combinations;
if (memoized) {
combinations = memoized;
} else {
const numChoices = choices.length;
combinations = (function nextIndex (start = 0, acc = []) {
const numRemainingSpots = length - acc.length;
if (!numRemainingSpots) return [acc];
let results = [];
if (permute || numRemainingSpots <= numChoices + 1 - start) {
for (let i = permute ? 0 : start; i < numChoices; ++i) {
const result = nextIndex(i + 1, acc.concat(i));
if (result.length) results.push(...result);
}
}
return results;
})();
memo[length][choices.length] = combinations;
}
return combinations.map(combination => combination.map(i => choices[i]));
};
})();
// Tests:
console.assert(
getCombinations(digits, 1).length === getCombinations(digits, 1, true).length,
'Permutations and combinations with length 1 should be the same.');
console.assert(getCombinations(digits, 2).every(combination =>
combination.slice(1).every((digit, i) => digit > combination[i])),
'Combinations should be in order.');
console.assert(getCombinations(digits, 4).length === 126,
'Incorrect number of combinations.');
console.assert(getCombinations(digits, 4, true).length === Math.pow(9, 4),
'Incorrect number of permutations.');
console.assert(getCombinations([2, 4, 5, 6, 7], 4, true).some(combination =>
combination.join('') === '4467'),
'Spot check.');
console.assert(getCombinations([2, 4, 5, 6, 7], 4).every(combination =>
combination.every(n => typeof n === 'number')),
'Spot check 2.');
// Get all possible combinations of operations, eg:
// [ [+, +, +], ..., [-, x, ÷], ... ].
const operationCombinations = getCombinations(operations, calculationLength - 1, true);
let highestScore = 0;
lengths.forEach(numAvailableDigits => {
// Run through each possible group of available digits.
// eg. if numAvailableDigits is 3:
// [ [1, 2, 3], [1, 2, 4], ... ].
const digitGroups = getCombinations(digits, numAvailableDigits);
// For each digit group, we need to do something like this:
//
// Get all possible combinations of digits in the digit group.
// eg. if the digit group is [1, 2, 3, 4, 7, 9]:
// [ [1, 1, 1, 1], ..., [1, 4, 9, 2], ... ].
//
digitGroups.forEach(digitGroup => {
const digitCombinations = getCombinations(digitGroup, calculationLength, true);
// First, test if the combination will be able to match the current
// high score. Then,
//
// Starting at 0, try all combinations of digits within the group
// against all combinations of operations until the target is reached.
// Then move on to the next target.
for (let target = -1, lastHit; target <= 1024; ++target) {
if (target === highestScore) continue;
else if (digitCombinations.some(digitCombination =>
operationCombinations.some(operationCombination => {
// If the digits and operations in order produce the target...
if (digitCombination.reduce((acc, digit, i) => {
const operation = operationCombination[i - 1][0];
return operation(acc, digit);
}) === (target === -1 ? highestScore : target)) {
lastHit = digitCombination.reduce((acc, digit, i) => {
const operation = operationCombination[i - 1][1];
return `${acc} ${operation} ${digit}`;
});
return true;
}
})
)) {
if (target >= highestScore) {
highestScore = target;
console.log(`Got to ${target} with [${digitGroup.join(', ')}] by ${lastHit}`);
}
} else break;
}
});
});
/*
~/Desktop ⋄ node partial-calculator.js
Got to 0 with [1, 2, 3, 4] by 1 + 1 - 1 - 1 x 1
Got to 1 with [1, 2, 3, 4] by 1 + 1 + 1 - 1 - 1
Got to 2 with [1, 2, 3, 4] by 1 + 1 + 1 - 1 x 1
Got to 3 with [1, 2, 3, 4] by 1 + 1 + 1 + 1 - 1
Got to 4 with [1, 2, 3, 4] by 1 + 1 + 1 + 1 x 1
Got to 5 with [1, 2, 3, 4] by 1 + 1 + 1 + 1 + 1
Got to 6 with [1, 2, 3, 4] by 1 + 1 + 1 + 1 + 2
Got to 7 with [1, 2, 3, 4] by 1 + 1 + 1 + 1 + 3
Got to 8 with [1, 2, 3, 4] by 1 + 1 + 1 + 1 x 2
Got to 9 with [1, 2, 3, 4] by 1 + 1 + 1 x 1 x 3
Got to 10 with [1, 2, 3, 4] by 1 + 1 + 1 + 2 x 2
Got to 11 with [1, 2, 3, 4] by 1 + 1 + 1 x 3 + 2
Got to 12 with [1, 2, 3, 4] by 1 + 1 + 1 + 1 x 3
Got to 13 with [1, 2, 3, 4] by 1 + 1 + 1 x 3 + 4
Got to 14 with [1, 2, 3, 4] by 1 + 1 + 1 + 4 x 2
Got to 15 with [1, 2, 3, 4] by 1 + 1 + 1 + 2 x 3
Got to 16 with [1, 2, 3, 4] by 1 + 1 + 1 + 1 x 4
Got to 17 with [1, 2, 3, 4] by 1 + 1 + 2 x 4 + 1
Got to 18 with [1, 2, 3, 4] by 1 + 1 + 1 x 2 x 3
Got to 19 with [1, 2, 3, 4] by 1 + 1 + 2 x 4 + 3
Got to 20 with [1, 2, 3, 4] by 1 + 1 + 1 + 2 x 4
Got to 21 with [1, 2, 3, 4] by 1 + 1 + 1 + 4 x 3
Got to 22 with [1, 2, 3, 4] by 1 + 1 x 3 x 3 + 4
Got to 23 with [1, 2, 3, 4] by 1 + 1 x 3 x 4 - 1
Got to 24 with [1, 2, 3, 4] by 1 + 1 + 1 x 2 x 4
Got to 25 with [1, 2, 3, 4] by 1 + 1 x 3 x 4 + 1
Got to 26 with [1, 2, 3, 4] by 1 + 1 x 3 x 4 + 2
Got to 27 with [1, 2, 3, 4] by 1 + 1 + 1 x 3 x 3
Got to 28 with [1, 2, 3, 4] by 1 + 1 + 1 + 4 x 4
Got to 29 with [1, 2, 3, 4] by 1 + 1 x 4 x 4 - 3
Got to 30 with [1, 2, 3, 4] by 1 + 1 + 3 x 2 x 3
Got to 31 with [1, 2, 3, 4] by 1 + 1 x 4 x 4 - 1
Got to 32 with [1, 2, 3, 4] by 1 + 1 x 1 x 4 x 4
Got to 33 with [1, 2, 3, 4] by 1 + 1 x 4 + 3 x 3
Got to 34 with [1, 2, 3, 4] by 1 + 1 x 4 x 4 + 2
Got to 35 with [1, 2, 3, 4] by 1 + 1 x 4 x 4 + 3
Got to 36 with [1, 2, 3, 4] by 1 + 1 + 1 x 3 x 4
Got to 37 with [1, 2, 3, 4] by 1 + 2 x 3 x 4 + 1
Got to 38 with [1, 2, 3, 4] by 1 + 2 x 3 x 4 + 2
Got to 39 with [1, 2, 3, 4] by 1 + 2 x 3 + 4 x 3
Got to 40 with [1, 2, 3, 4] by 1 + 1 + 3 x 2 x 4
Got to 41 with [1, 2, 3, 4] by 1 + 4 x 2 x 4 + 1
Got to 42 with [1, 2, 3, 4] by 1 ÷ 2 + 3 x 3 x 4
Got to 43 with [1, 2, 3, 4] by 1 + 4 x 2 x 4 + 3
Got to 44 with [1, 2, 3, 4] by 1 + 1 x 4 + 3 x 4
Got to 45 with [1, 2, 3, 4] by 1 + 1 + 3 x 3 x 3
Got to 46 with [1, 2, 3, 4] by 1 + 2 x 4 x 4 - 2
Got to 47 with [1, 2, 3, 4] by 1 + 2 x 4 x 4 - 1
Got to 48 with [1, 2, 3, 4] by 1 + 1 + 1 x 4 x 4
Got to 49 with [1, 2, 3, 4] by 1 + 2 x 4 x 4 + 1
Got to 50 with [1, 2, 3, 4] by 1 + 2 x 4 x 4 + 2
Got to 51 with [1, 2, 3, 4] by 1 + 2 x 4 x 4 + 3
Got to 52 with [1, 2, 3, 4] by 1 + 2 x 3 + 4 x 4
Got to 53 with [1, 2, 3, 4] by 2 x 3 x 3 x 3 - 1
Got to 54 with [1, 2, 3, 4] by 1 + 1 x 3 x 3 x 3
Got to 55 with [1, 2, 3, 4] by 2 x 3 x 3 x 3 + 1
Got to 56 with [1, 2, 3, 4] by 1 ÷ 2 + 3 x 4 x 4
Got to 57 with [1, 2, 3, 4] by 1 + 3 x 4 + 3 x 3
Got to 58 with [1, 2, 3, 4] by 1 + 4 x 3 x 4 - 2
Got to 59 with [1, 2, 3, 4] by 1 + 4 x 3 x 4 - 1
Got to 60 with [1, 2, 3, 4] by 1 + 1 + 3 x 3 x 4
Got to 61 with [1, 2, 3, 4] by 1 + 3 x 4 x 4 - 3
Got to 62 with [1, 2, 3, 4] by 1 + 3 x 4 x 4 - 2
Got to 63 with [1, 2, 3, 4] by 1 + 2 + 4 x 3 x 3
Got to 64 with [1, 2, 3, 4] by 1 + 1 + 2 x 4 x 4
Got to 65 with [1, 2, 3, 4] by 1 + 3 x 4 x 4 + 1
Got to 66 with [1, 2, 3, 4] by 1 + 3 x 4 x 4 + 2
Got to 67 with [1, 2, 3, 4] by 1 + 3 x 4 x 4 + 3
Got to 68 with [1, 2, 3, 4] by 1 + 3 x 4 + 1 x 4
Got to 69 with [1, 2, 3, 4] by 1 + 4 x 4 + 3 x 3
Got to 70 with [1, 2, 3, 4] by 2 x 3 x 3 x 4 - 2
Got to 71 with [1, 2, 3, 4] by 2 x 3 x 3 x 4 - 1
Got to 72 with [1, 2, 3, 4] by 1 + 1 x 3 x 3 x 4
Got to 73 with [1, 2, 3, 4] by 2 x 3 x 3 x 4 + 1
Got to 74 with [1, 2, 3, 4] by 2 x 3 x 3 x 4 + 2
Got to 75 with [1, 2, 3, 4] by 2 x 3 x 3 x 4 + 3
Got to 76 with [1, 2, 3, 4] by 1 + 3 x 4 + 3 x 4
Got to 77 with [1, 2, 3, 4] by 1 + 4 x 4 x 4 - 3
Got to 78 with [1, 2, 3, 4] by 1 + 4 x 4 x 4 - 2
Got to 79 with [1, 2, 3, 4] by 1 + 4 x 4 x 4 - 1
Got to 80 with [1, 2, 3, 4] by 1 + 1 + 3 x 4 x 4
Got to 81 with [1, 2, 3, 4] by 1 + 2 x 3 x 3 x 3
Got to 82 with [1, 2, 3, 4] by 1 + 4 x 4 x 4 + 2
Got to 83 with [1, 2, 3, 4] by 1 + 4 x 4 x 4 + 3
Got to 84 with [1, 2, 3, 4] by 1 + 2 + 4 x 3 x 4
Got to 85 with [1, 2, 3, 4] by 3 x 3 x 3 x 3 + 4
Got to 86 with [1, 2, 3, 4] by 3 + 4 x 3 x 4 + 2
Got to 87 with [1, 2, 3, 4] by 2 x 4 x 4 - 3 x 3
Got to 88 with [1, 2, 3, 4] by 1 + 4 x 4 + 2 x 4
Got to 88 with [1, 2, 3, 5] by 1 + 5 x 3 x 5 - 2
Got to 89 with [1, 2, 3, 5] by 1 + 5 x 3 x 5 - 1
Got to 90 with [1, 2, 3, 5] by 1 + 1 x 3 x 3 x 5
Got to 91 with [1, 2, 3, 5] by 1 + 5 x 3 x 5 + 1
Got to 92 with [1, 2, 3, 5] by 1 + 5 x 3 x 5 + 2
Got to 93 with [1, 2, 3, 5] by 1 + 5 x 3 x 5 + 3
Got to 94 with [1, 2, 3, 5] by 2 x 5 x 5 - 3 x 2
Got to 95 with [1, 2, 3, 5] by 1 + 3 x 5 - 1 x 5
Got to 96 with [1, 2, 3, 5] by 1 + 5 x 5 + 2 x 3
Got to 97 with [1, 2, 3, 5] by 1 + 3 x 5 x 5 - 3
Got to 98 with [1, 2, 3, 5] by 1 + 3 x 5 x 5 - 2
Got to 99 with [1, 2, 3, 5] by 1 + 3 x 5 x 5 - 1
Got to 100 with [1, 2, 3, 5] by 1 + 1 + 2 x 5 x 5
Got to 101 with [1, 2, 3, 5] by 1 + 3 x 5 x 5 + 1
Got to 102 with [1, 2, 3, 5] by 1 + 3 x 5 x 5 + 2
Got to 103 with [1, 2, 3, 5] by 1 + 3 x 5 x 5 + 3
Got to 104 with [1, 2, 3, 5] by 2 + 5 x 3 x 5 - 1
Got to 105 with [1, 2, 3, 5] by 1 + 1 + 5 x 3 x 5
Got to 106 with [1, 2, 3, 5] by 2 + 5 x 3 x 5 + 1
Got to 107 with [1, 2, 3, 5] by 2 + 5 x 3 x 5 + 2
Got to 108 with [1, 2, 3, 5] by 1 + 3 x 3 x 3 x 3
Got to 109 with [1, 2, 3, 5] by 5 x 5 - 3 x 5 - 1
Got to 110 with [1, 2, 3, 5] by 1 + 3 x 5 + 2 x 5
Got to 111 with [1, 2, 3, 5] by 2 + 5 x 5 + 2 x 3
Got to 112 with [1, 2, 3, 5] by 5 x 5 - 2 x 5 - 3
Got to 113 with [1, 2, 3, 5] by 5 x 5 - 2 x 5 - 2
Got to 114 with [1, 2, 3, 5] by 2 + 5 x 5 + 3 x 3
Got to 115 with [1, 2, 3, 5] by 1 + 3 x 5 + 3 x 5
Got to 116 with [1, 2, 3, 5] by 5 x 5 - 2 x 5 + 1
Got to 117 with [1, 2, 3, 5] by 2 x 5 + 3 x 3 x 3
Got to 118 with [1, 2, 3, 5] by 3 + 5 x 3 x 5 - 2
Got to 119 with [1, 2, 3, 5] by 3 + 5 x 3 x 5 - 1
Got to 120 with [1, 2, 3, 5] by 1 + 2 + 5 x 3 x 5
Got to 121 with [1, 2, 3, 5] by 3 + 5 x 3 x 5 + 1
Got to 122 with [1, 2, 3, 5] by 1 x 5 x 5 x 5 - 3
Got to 123 with [1, 2, 3, 5] by 1 x 5 x 5 x 5 - 2
Got to 124 with [1, 2, 3, 5] by 1 x 5 x 5 x 5 - 1
Got to 125 with [1, 2, 3, 5] by 1 + 1 + 3 x 5 x 5
Got to 126 with [1, 2, 3, 5] by 1 x 5 x 5 x 5 + 1
Got to 127 with [1, 2, 3, 5] by 1 x 5 x 5 x 5 + 2
Got to 128 with [1, 2, 3, 5] by 1 x 5 x 5 x 5 + 3
Got to 129 with [1, 2, 3, 5] by 3 x 3 x 5 - 2 x 3
Got to 130 with [1, 2, 3, 5] by 1 x 5 x 5 + 1 x 5
Got to 131 with [1, 2, 3, 5] by 5 x 5 + 1 x 5 + 1
Got to 132 with [1, 2, 3, 5] by 3 x 3 x 3 x 5 - 3
Got to 133 with [1, 2, 3, 5] by 3 x 3 x 3 x 5 - 2
Got to 134 with [1, 2, 3, 5] by 3 x 3 x 3 x 5 - 1
Got to 135 with [1, 2, 3, 5] by 1 + 2 x 3 x 3 x 5
Got to 136 with [1, 2, 3, 5] by 3 x 3 x 3 x 5 + 1
Got to 137 with [1, 2, 3, 5] by 3 x 3 x 3 x 5 + 2
Got to 138 with [1, 2, 3, 5] by 3 x 3 x 3 x 5 + 3
Got to 139 with [1, 2, 3, 5] by 5 x 5 + 3 x 5 - 1
Got to 140 with [1, 2, 3, 5] by 1 + 5 x 5 - 2 x 5
Got to 141 with [1, 2, 3, 5] by 2 x 5 x 5 - 3 x 3
Got to 142 with [1, 2, 3, 5] by 5 x 5 + 3 x 5 + 2
Got to 143 with [1, 2, 3, 5] by 5 x 5 + 3 x 5 + 3
Got to 144 with [1, 2, 3, 5] by 2 x 5 x 5 - 2 x 3
Got to 145 with [1, 2, 3, 5] by 1 + 5 x 5 - 1 x 5
Got to 146 with [1, 2, 3, 5] by 3 x 5 x 5 - 2 x 2
Got to 147 with [1, 2, 3, 5] by 1 + 5 x 5 x 5 - 3
Got to 148 with [1, 2, 3, 5] by 1 + 5 x 5 x 5 - 2
Got to 149 with [1, 2, 3, 5] by 1 + 5 x 5 x 5 - 1
Got to 150 with [1, 2, 3, 5] by 1 + 1 x 3 x 5 x 5
Got to 151 with [1, 2, 3, 5] by 1 + 5 x 5 x 5 + 1
Got to 152 with [1, 2, 3, 5] by 1 + 5 x 5 x 5 + 2
Got to 153 with [1, 2, 3, 5] by 1 + 5 x 5 x 5 + 3
Got to 154 with [1, 2, 3, 5] by 3 x 5 x 5 + 2 x 2
Got to 155 with [1, 2, 3, 5] by 1 + 5 x 5 + 1 x 5
Got to 156 with [1, 2, 3, 5] by 2 x 5 x 5 + 2 x 3
Got to 156 with [1, 2, 3, 7] by 1 x 7 x 7 + 3 x 3
Got to 157 with [1, 2, 3, 7] by 3 x 7 + 1 x 7 + 3
Got to 158 with [1, 2, 3, 7] by 3 x 7 + 2 x 7 - 3
Got to 159 with [1, 2, 3, 7] by 1 + 7 x 7 - 3 x 3
Got to 160 with [1, 2, 3, 7] by 3 x 7 + 2 x 7 - 1
Got to 161 with [1, 2, 3, 7] by 1 + 2 x 7 + 2 x 7
Got to 162 with [1, 2, 3, 7] by 1 + 7 x 7 - 2 x 3
Got to 163 with [1, 2, 3, 7] by 3 x 7 + 2 x 7 + 2
Got to 164 with [1, 2, 3, 7] by 3 x 7 + 2 x 7 + 3
Got to 165 with [1, 2, 3, 7] by 1 + 7 x 3 x 7 - 3
Got to 166 with [1, 2, 3, 7] by 1 + 7 x 3 x 7 - 2
Got to 167 with [1, 2, 3, 7] by 1 + 7 x 3 x 7 - 1
Got to 168 with [1, 2, 3, 7] by 1 x 1 + 7 x 3 x 7
Got to 169 with [1, 2, 3, 7] by 1 + 7 x 3 x 7 + 1
Got to 170 with [1, 2, 3, 7] by 1 + 7 x 3 x 7 + 2
Got to 171 with [1, 2, 3, 7] by 1 + 7 x 3 x 7 + 3
Got to 172 with [1, 2, 3, 7] by 7 x 7 x 7 + 1 ÷ 2
Got to 173 with [1, 2, 3, 7] by 7 x 7 x 7 + 3 ÷ 2
Got to 174 with [1, 2, 3, 7] by 1 + 7 x 7 + 2 x 3
Got to 175 with [1, 2, 3, 7] by 1 + 3 x 7 - 3 x 7
Got to 175 with [1, 2, 3, 8] by 3 + 8 x 2 x 8 - 1
Got to 176 with [1, 2, 3, 8] by 1 + 2 + 8 x 2 x 8
Got to 177 with [1, 2, 3, 8] by 3 + 8 x 2 x 8 + 1
Got to 178 with [1, 2, 3, 8] by 3 + 8 x 2 x 8 + 2
Got to 179 with [1, 2, 3, 8] by 3 + 8 x 2 x 8 + 3
Got to 180 with [1, 2, 3, 8] by 2 + 8 x 2 x 3 x 3
Got to 181 with [1, 2, 3, 8] by 3 x 8 - 1 x 8 - 3
Got to 182 with [1, 2, 3, 8] by 3 x 8 - 1 x 8 - 2
Got to 183 with [1, 2, 3, 8] by 1 x 8 x 8 - 3 x 3
Got to 184 with [1, 2, 3, 8] by 1 + 2 x 8 - 1 x 8
Got to 185 with [1, 2, 3, 8] by 3 x 8 - 1 x 8 + 1
Got to 186 with [1, 2, 3, 8] by 1 x 8 x 8 - 2 x 3
Got to 187 with [1, 2, 3, 8] by 3 x 8 - 1 x 8 + 3
Got to 188 with [1, 2, 3, 8] by 3 x 8 x 8 - 1 - 3
Got to 189 with [1, 2, 3, 8] by 1 + 2 x 8 x 8 - 3
Got to 190 with [1, 2, 3, 8] by 1 + 2 x 8 x 8 - 2
Got to 191 with [1, 2, 3, 8] by 1 + 2 x 8 x 8 - 1
Got to 192 with [1, 2, 3, 8] by 1 + 1 + 1 x 8 x 8
Got to 193 with [1, 2, 3, 8] by 1 + 2 x 8 x 8 + 1
Got to 194 with [1, 2, 3, 8] by 1 + 2 x 8 x 8 + 2
Got to 195 with [1, 2, 3, 8] by 1 + 2 x 8 x 8 + 3
Got to 196 with [1, 2, 3, 8] by 3 x 8 x 8 + 1 + 3
Got to 197 with [1, 2, 3, 8] by 3 x 8 + 1 x 8 - 3
Got to 198 with [1, 2, 3, 8] by 1 x 8 x 8 + 2 x 3
Got to 199 with [1, 2, 3, 8] by 3 x 8 + 1 x 8 - 1
Got to 200 with [1, 2, 3, 8] by 1 + 2 x 8 + 1 x 8
Got to 201 with [1, 2, 3, 8] by 1 x 8 x 8 + 3 x 3
Got to 202 with [1, 2, 3, 8] by 3 x 8 + 1 x 8 + 2
Got to 203 with [1, 2, 3, 8] by 3 x 8 + 1 x 8 + 3
Got to 204 with [1, 2, 3, 8] by 1 ÷ 2 + 8 x 3 x 8
Got to 205 with [1, 2, 3, 8] by 3 x 8 + 2 x 8 - 3
Got to 206 with [1, 2, 3, 8] by 3 x 8 + 2 x 8 - 2
Got to 207 with [1, 2, 3, 8] by 1 + 8 x 8 - 3 x 3
Got to 208 with [1, 2, 3, 8] by 1 + 2 x 8 + 2 x 8
Got to 209 with [1, 2, 3, 8] by 3 x 8 + 2 x 8 + 1
Got to 210 with [1, 2, 3, 8] by 1 + 8 x 8 - 2 x 3
Got to 211 with [1, 2, 3, 8] by 3 x 8 + 2 x 8 + 3
Got to 211 with [1, 2, 5, 6] by 1 + 5 x 6 x 6 - 5
Got to 212 with [1, 2, 5, 6] by 1 + 6 x 5 x 6 + 2
Got to 213 with [1, 2, 5, 6] by 6 x 6 x 6 - 1 - 2
Got to 214 with [1, 2, 5, 6] by 1 + 5 x 6 x 6 - 2
Got to 215 with [1, 2, 5, 6] by 1 + 5 x 6 x 6 - 1
Got to 216 with [1, 2, 5, 6] by 1 x 1 + 5 x 6 x 6
Got to 217 with [1, 2, 5, 6] by 1 + 5 x 6 x 6 + 1
Got to 218 with [1, 2, 5, 6] by 1 + 5 x 6 x 6 + 2
Got to 219 with [1, 2, 5, 6] by 6 x 6 x 6 + 1 + 2
Got to 220 with [1, 2, 5, 6] by 1 + 6 x 6 + 2 x 5
Got to 221 with [1, 2, 5, 6] by 1 + 5 x 6 x 6 + 5
Got to 222 with [1, 2, 5, 6] by 1 + 5 x 6 + 1 x 6
Got to 223 with [1, 2, 5, 6] by 6 x 6 + 1 x 6 + 1
Got to 224 with [1, 2, 5, 6] by 6 x 6 + 1 x 6 + 2
Got to 225 with [1, 2, 5, 6] by 1 + 2 + 6 x 5 x 5
Got to 226 with [1, 2, 5, 6] by 6 x 6 + 2 x 6 - 2
Got to 227 with [1, 2, 5, 6] by 6 x 6 + 1 x 6 + 5
Got to 228 with [1, 2, 5, 6] by 1 + 5 x 6 + 2 x 6
Got to 229 with [1, 2, 5, 6] by 6 x 6 + 2 x 6 + 1
Got to 230 with [1, 2, 5, 6] by 2 + 6 x 5 + 6 x 5
Got to 230 with [1, 3, 5, 6] by 3 x 3 x 5 + 1 x 5
Got to 231 with [1, 3, 5, 6] by 3 x 3 x 5 x 5 + 6
Got to 231 with [1, 4, 5, 7] by 1 x 4 x 7 + 5 x 7
Got to 232 with [1, 4, 5, 7] by 4 + 5 x 5 x 5 + 7
Got to 233 with [1, 4, 5, 7] by 5 x 7 - 1 x 7 - 5
Got to 234 with [1, 4, 5, 7] by 5 x 7 - 1 x 7 - 4
Got to 235 with [1, 4, 5, 7] by 1 + 5 x 7 + 5 x 5
Got to 236 with [1, 4, 5, 7] by 4 x 4 x 4 - 5 x 4
Got to 237 with [1, 4, 5, 7] by 5 x 7 - 1 x 7 - 1
Got to 238 with [1, 4, 5, 7] by 1 + 4 x 7 - 1 x 7
Got to 239 with [1, 4, 5, 7] by 5 x 7 - 1 x 7 + 1
Got to 240 with [1, 4, 5, 7] by 1 + 4 + 7 x 4 x 5
Got to 241 with [1, 4, 5, 7] by 1 + 4 x 7 x 7 - 4
Got to 242 with [1, 4, 5, 7] by 5 x 7 - 1 x 7 + 4
Got to 243 with [1, 4, 5, 7] by 5 + 5 x 5 x 5 - 7
Got to 244 with [1, 4, 5, 7] by 1 + 4 x 7 x 7 - 1
Got to 245 with [1, 4, 5, 7] by 1 x 1 + 4 x 7 x 7
Got to 246 with [1, 4, 5, 7] by 1 + 4 x 7 x 7 + 1
Got to 247 with [1, 4, 5, 7] by 4 + 5 x 4 x 7 - 5
Got to 248 with [1, 4, 5, 7] by 4 + 5 x 4 x 7 - 4
Got to 249 with [1, 4, 5, 7] by 1 + 4 x 7 x 7 + 4
Got to 250 with [1, 4, 5, 7] by 1 + 1 x 5 x 5 x 5
Got to 251 with [1, 4, 5, 7] by 4 x 4 x 4 x 4 - 5
Got to 252 with [1, 4, 5, 7] by 1 + 1 + 7 x 4 x 7
Got to 253 with [1, 4, 5, 7] by 4 + 5 x 4 x 7 + 1
Got to 254 with [1, 4, 5, 7] by 5 + 5 x 5 x 5 + 4
Got to 255 with [1, 4, 5, 7] by 1 + 7 x 7 - 5 x 5
Got to 256 with [1, 4, 5, 7] by 1 x 4 x 4 x 4 x 4
Got to 257 with [1, 4, 5, 7] by 4 x 4 x 4 x 4 + 1
Got to 258 with [1, 4, 5, 7] by 7 x 7 + 4 x 5 - 7
Got to 259 with [1, 4, 5, 7] by 1 + 5 x 5 + 7 x 7
Got to 260 with [1, 4, 5, 7] by 1 + 5 + 7 x 4 x 5
Got to 261 with [1, 4, 5, 7] by 4 x 4 x 4 x 4 + 5
Got to 261 with [1, 5, 6, 8] by 5 - 1 x 8 x 8 + 5
Got to 262 with [1, 5, 6, 8] by 1 + 8 x 5 x 6 - 8
Got to 263 with [1, 5, 6, 8] by 5 x 5 + 8 x 8 - 1
Got to 264 with [1, 5, 6, 8] by 1 x 5 x 5 + 8 x 8
Got to 265 with [1, 5, 6, 8] by 1 + 5 x 8 + 5 x 5
Got to 266 with [1, 5, 6, 8] by 5 x 8 - 6 x 8 - 6
Got to 267 with [1, 5, 6, 8] by 5 + 6 x 5 x 5 - 8
Got to 268 with [1, 5, 6, 8] by 5 x 8 + 6 x 6 - 8
Got to 269 with [1, 5, 6, 8] by 1 + 8 x 5 x 6 - 1
Got to 270 with [1, 5, 6, 8] by 1 x 1 + 8 x 5 x 6
Got to 271 with [1, 5, 6, 8] by 1 + 8 x 5 x 6 + 1
Got to 272 with [1, 5, 6, 8] by 1 x 5 x 8 - 6 x 8
Got to 273 with [1, 5, 6, 8] by 5 x 8 - 6 x 8 + 1
Got to 274 with [1, 5, 6, 8] by 1 + 6 x 5 x 8 - 6
Got to 275 with [1, 5, 6, 8] by 1 + 5 + 5 x 5 x 5
Got to 276 with [1, 5, 6, 8] by 1 x 5 x 8 + 6 x 6
Got to 277 with [1, 5, 6, 8] by 5 x 8 + 6 x 6 + 1
Got to 278 with [1, 5, 6, 8] by 1 + 8 x 5 x 6 + 8
Got to 279 with [1, 5, 6, 8] by 1 + 6 x 5 x 8 - 1
Got to 280 with [1, 5, 6, 8] by 1 + 1 + 5 x 5 x 8
Got to 281 with [1, 5, 6, 8] by 1 + 6 x 5 x 8 + 1
Got to 282 with [1, 5, 6, 8] by 1 + 5 x 6 x 8 - 6
Got to 283 with [1, 5, 6, 8] by 1 + 5 x 6 x 8 - 5
Got to 284 with [1, 5, 6, 8] by 5 x 8 + 6 x 6 + 8
Got to 285 with [1, 5, 6, 8] by 1 + 6 x 5 x 8 + 5
Got to 286 with [1, 5, 6, 8] by 1 + 6 x 5 x 8 + 6
Got to 287 with [1, 5, 6, 8] by 1 + 5 x 6 x 8 - 1
Got to 288 with [1, 5, 6, 8] by 1 x 1 + 5 x 6 x 8
Got to 289 with [1, 5, 6, 8] by 1 + 5 x 6 x 8 + 1
Got to 290 with [1, 5, 6, 8] by 1 x 8 x 8 - 6 x 5
Got to 291 with [1, 5, 6, 8] by 6 x 6 + 1 x 8 - 5
Got to 292 with [1, 5, 6, 8] by 5 + 5 x 5 x 6 - 8
Got to 293 with [1, 5, 6, 8] by 1 + 5 x 6 x 8 + 5
Got to 294 with [1, 5, 6, 8] by 1 + 5 x 6 x 8 + 6
Got to 295 with [1, 5, 6, 8] by 1 + 8 x 6 + 5 x 5
Got to 296 with [1, 5, 6, 8] by 1 + 5 x 6 + 1 x 8
Got to 297 with [1, 5, 6, 8] by 6 x 6 + 1 x 8 + 1
Got to 298 with [1, 5, 6, 8] by 5 x 6 + 8 x 8 - 6
Got to 299 with [1, 5, 6, 8] by 5 + 5 x 5 x 6 - 1
Got to 300 with [1, 5, 6, 8] by 1 + 1 x 5 x 5 x 6
Got to 301 with [1, 5, 6, 8] by 5 + 5 x 5 x 6 + 1
Got to 302 with [1, 5, 6, 8] by 6 x 6 + 1 x 8 + 6
Got to 303 with [1, 5, 6, 8] by 5 x 6 + 8 x 8 - 1
Got to 304 with [1, 5, 6, 8] by 1 + 5 x 5 + 8 x 8
Got to 305 with [1, 5, 6, 8] by 1 + 6 x 8 + 5 x 5
Got to 306 with [1, 5, 6, 8] by 1 + 6 x 8 - 5 x 6
Got to 307 with [1, 5, 6, 8] by 5 x 8 - 1 x 8 - 5
Got to 308 with [1, 5, 6, 8] by 5 + 5 x 5 x 6 + 8
Got to 309 with [1, 5, 6, 8] by 5 x 6 + 8 x 8 + 5
Got to 310 with [1, 5, 6, 8] by 1 + 6 x 8 + 6 x 5
Got to 311 with [1, 5, 6, 8] by 5 x 8 - 1 x 8 - 1
Got to 312 with [1, 5, 6, 8] by 1 x 5 x 8 - 1 x 8
Got to 313 with [1, 5, 6, 8] by 5 x 8 - 1 x 8 + 1
Got to 314 with [1, 5, 6, 8] by 1 x 5 x 8 x 8 - 6
Got to 315 with [1, 5, 6, 8] by 1 x 5 x 8 x 8 - 5
Got to 316 with [1, 5, 6, 8] by 1 + 8 x 6 x 6 - 8
Got to 317 with [1, 5, 6, 8] by 5 x 8 - 1 x 8 + 5
Got to 318 with [1, 5, 6, 8] by 1 + 5 x 8 + 5 x 6
Got to 319 with [1, 5, 6, 8] by 1 x 5 x 8 x 8 - 1
Got to 320 with [1, 5, 6, 8] by 1 - 1 + 5 x 8 x 8
Got to 321 with [1, 5, 6, 8] by 1 x 5 x 8 x 8 + 1
Got to 322 with [1, 5, 6, 8] by 5 + 6 x 5 x 6 - 8
Got to 323 with [1, 5, 6, 8] by 1 + 8 x 6 x 6 - 1
Got to 324 with [1, 5, 6, 8] by 1 x 1 + 8 x 6 x 6
Got to 325 with [1, 5, 6, 8] by 1 x 5 + 8 x 5 x 5
Got to 326 with [1, 5, 6, 8] by 1 x 5 x 8 x 8 + 6
Got to 327 with [1, 5, 6, 8] by 5 x 8 + 1 x 8 - 1
Got to 328 with [1, 5, 6, 8] by 1 + 5 x 6 + 5 x 8
Got to 329 with [1, 5, 6, 8] by 1 + 8 x 6 x 6 + 5
Got to 330 with [1, 5, 6, 8] by 1 + 5 + 5 x 5 x 6
Got to 331 with [1, 5, 6, 8] by 1 + 6 x 6 x 8 - 5
Got to 332 with [1, 5, 6, 8] by 1 + 8 x 6 x 6 + 8
Got to 333 with [1, 5, 6, 8] by 5 x 8 + 1 x 8 + 5
Got to 334 with [1, 5, 6, 8] by 5 x 8 + 1 x 8 + 6
Got to 335 with [1, 5, 6, 8] by 1 + 6 x 6 x 8 - 1
Got to 336 with [1, 5, 6, 8] by 1 + 1 + 5 x 6 x 8
Got to 337 with [1, 5, 6, 8] by 1 + 6 x 6 x 8 + 1
Got to 338 with [1, 5, 6, 8] by 5 + 6 x 5 x 6 + 8
Got to 339 with [1, 5, 6, 8] by 6 x 8 - 5 x 8 - 5
Got to 340 with [1, 5, 6, 8] by 5 + 5 x 6 + 8 x 5
Got to 341 with [1, 5, 6, 8] by 1 + 6 x 6 x 8 + 5
Got to 342 with [1, 5, 6, 8] by 1 + 6 x 6 x 8 + 6
Got to 343 with [1, 5, 6, 8] by 6 x 8 - 5 x 8 - 1
Got to 344 with [1, 5, 6, 8] by 1 + 5 x 8 - 5 x 8
Got to 345 with [1, 5, 6, 8] by 1 x 8 x 8 + 5 x 5
Got to 346 with [1, 5, 6, 8] by 6 x 6 + 8 x 8 - 6
Got to 347 with [1, 5, 6, 8] by 6 x 6 + 8 x 8 - 5
Got to 348 with [1, 5, 6, 8] by 1 x 8 x 8 - 6 x 6
Got to 349 with [1, 5, 6, 8] by 6 + 8 x 5 x 5 - 1
Got to 350 with [1, 5, 6, 8] by 1 + 5 + 8 x 5 x 5
Got to 351 with [1, 5, 6, 8] by 6 x 6 + 8 x 8 - 1
Got to 352 with [1, 5, 6, 8] by 1 + 5 x 6 + 8 x 8
Got to 353 with [1, 5, 6, 8] by 6 x 6 + 8 x 8 + 1
Got to 354 with [1, 5, 6, 8] by 1 + 8 x 5 x 8 - 6
Got to 355 with [1, 5, 6, 8] by 1 + 8 x 5 x 8 - 5
Got to 356 with [1, 5, 6, 8] by 6 + 8 x 5 x 5 + 6
Got to 357 with [1, 5, 6, 8] by 6 x 6 + 8 x 8 + 5
Got to 358 with [1, 5, 6, 8] by 6 x 6 + 8 x 8 + 6
Got to 359 with [1, 5, 6, 8] by 1 + 8 x 5 x 8 - 1
Got to 360 with [1, 5, 6, 8] by 1 + 1 x 5 x 6 x 6
Got to 361 with [1, 5, 6, 8] by 1 + 8 x 5 x 8 + 1
Got to 362 with [1, 5, 6, 8] by 5 x 8 + 6 x 8 - 6
Got to 363 with [1, 5, 6, 8] by 5 x 8 + 6 x 8 - 5
Got to 363 with [2, 3, 6, 7] by 3 + 7 x 6 x 6 + 3
Got to 364 with [2, 3, 6, 7] by 2 + 7 x 6 - 2 x 7
Got to 364 with [2, 5, 8, 9] by 5 x 8 x 9 + 2 + 2
Got to 365 with [2, 5, 8, 9] by 5 + 8 x 5 + 8 x 5
Got to 366 with [2, 5, 8, 9] by 5 x 8 x 9 - 2 + 8
Got to 367 with [2, 5, 8, 9] by 5 x 8 x 9 + 2 + 5
Got to 368 with [2, 5, 8, 9] by 2 x 9 + 5 x 2 x 8
Got to 369 with [2, 5, 8, 9] by 2 + 2 x 8 + 9 x 9
Got to 370 with [2, 5, 8, 9] by 2 ÷ 8 + 9 x 5 x 8
Got to 371 with [2, 5, 8, 9] by 5 x 8 x 9 + 2 + 9
Got to 372 with [2, 5, 8, 9] by 8 x 9 + 2 x 5 + 2
Got to 373 with [2, 5, 8, 9] by 5 x 8 + 2 x 9 - 5
Got to 374 with [2, 5, 8, 9] by 5 x 8 x 9 + 5 + 9
Got to 375 with [2, 5, 8, 9] by 2 x 5 + 5 x 5 x 5
Got to 376 with [2, 5, 8, 9] by 2 + 5 x 8 - 9 x 8
Got to 377 with [2, 5, 8, 9] by 5 x 8 x 9 + 8 + 9
Got to 378 with [2, 5, 8, 9] by 2 x 5 x 5 - 8 x 9
Got to 379 with [2, 5, 8, 9] by 5 x 8 + 8 x 8 - 5
Got to 380 with [2, 5, 8, 9] by 5 x 8 - 2 x 2 x 5
Got to 381 with [2, 5, 8, 9] by 5 x 9 + 2 x 8 + 5
Got to 382 with [2, 5, 8, 9] by 5 x 5 x 8 - 9 x 2
Got to 383 with [2, 5, 8, 9] by 5 x 8 + 2 x 9 + 5
Got to 384 with [2, 5, 8, 9] by 2 + 2 + 2 x 8 x 8
Got to 385 with [2, 5, 8, 9] by 5 ÷ 8 + 9 x 5 x 8
Got to 386 with [2, 5, 8, 9] by 5 x 8 + 2 x 9 + 8
Got to 387 with [2, 5, 8, 9] by 2 + 5 x 5 + 8 x 9
Got to 388 with [2, 5, 8, 9] by 5 x 9 x 9 - 8 - 9
Got to 389 with [2, 5, 8, 9] by 5 x 8 + 8 x 8 + 5
Got to 390 with [2, 5, 8, 9] by 2 x 5 x 8 - 2 x 5
Got to 391 with [2, 5, 8, 9] by 2 x 5 x 5 x 8 - 9
Got to 392 with [2, 5, 8, 9] by 2 x 5 x 5 x 8 - 8
Got to 393 with [2, 5, 8, 9] by 5 x 8 + 8 x 8 + 9
Got to 394 with [2, 5, 8, 9] by 5 x 8 + 9 x 8 + 2
Got to 395 with [2, 5, 8, 9] by 2 x 5 x 5 x 8 - 5
Got to 396 with [2, 5, 8, 9] by 2 + 2 x 9 + 8 x 9
Got to 397 with [2, 5, 8, 9] by 5 x 8 + 5 x 9 - 8
Got to 398 with [2, 5, 8, 9] by 2 x 5 x 5 x 8 - 2
Got to 399 with [2, 5, 8, 9] by 5 x 9 x 9 + 2 - 8
Got to 400 with [2, 5, 8, 9] by 2 ÷ 2 + 9 x 5 x 8
Got to 401 with [2, 5, 8, 9] by 5 x 8 + 9 x 8 + 9
Got to 402 with [2, 5, 8, 9] by 2 x 5 x 5 x 8 + 2
Got to 403 with [2, 5, 8, 9] by 5 x 8 + 5 x 9 - 2
Got to 404 with [2, 5, 8, 9] by 5 x 5 x 8 + 2 x 2
Got to 405 with [2, 5, 8, 9] by 2 + 2 + 5 x 5 x 9
Got to 406 with [2, 5, 8, 9] by 5 x 9 x 9 - 8 + 9
Got to 407 with [2, 5, 8, 9] by 5 x 8 + 5 x 9 + 2
Got to 408 with [2, 5, 8, 9] by 2 x 5 x 5 x 8 + 8
Got to 409 with [2, 5, 8, 9] by 2 x 5 x 5 x 8 + 9
Got to 410 with [2, 5, 8, 9] by 2 x 5 x 8 + 2 x 5
Got to 411 with [2, 5, 8, 9] by 5 x 9 x 9 - 2 + 8
Got to 412 with [2, 5, 8, 9] by 5 x 9 x 9 + 2 + 5
Got to 413 with [2, 5, 8, 9] by 5 x 8 + 5 x 9 + 8
Got to 414 with [2, 5, 8, 9] by 2 x 9 + 5 x 2 x 9
Got to 415 with [2, 5, 8, 9] by 2 + 9 x 8 - 5 x 5
Got to 416 with [2, 5, 8, 9] by 2 x 5 x 5 + 2 x 8
Got to 417 with [2, 5, 8, 9] by 8 + 9 x 5 x 5 - 8
Got to 418 with [2, 5, 8, 9] by 5 x 5 x 8 + 9 x 2
Got to 419 with [2, 5, 8, 9] by 5 x 9 + 8 x 8 - 5
Got to 420 with [2, 5, 8, 9] by 5 ÷ 2 + 8 x 5 x 8
Got to 421 with [2, 5, 8, 9] by 5 x 9 + 2 x 9 - 2
Got to 422 with [2, 5, 8, 9] by 5 x 9 + 8 x 8 - 2
Got to 423 with [2, 5, 8, 9] by 2 + 5 x 8 - 9 x 9
Got to 424 with [2, 5, 8, 9] by 2 + 9 x 5 - 2 x 8
Got to 425 with [2, 5, 8, 9] by 2 x 5 x 8 + 5 x 5
Got to 426 with [2, 5, 8, 9] by 5 x 9 + 8 x 8 + 2
Got to 427 with [2, 5, 8, 9] by 5 x 8 + 8 x 9 - 5
Got to 428 with [2, 5, 8, 9] by 5 x 9 + 2 x 9 + 5
Got to 429 with [2, 5, 8, 9] by 5 x 9 + 8 x 8 + 5
Got to 430 with [2, 5, 8, 9] by 2 + 9 x 8 - 2 x 5
Got to 431 with [2, 5, 8, 9] by 2 + 9 x 5 x 8 - 9
Got to 432 with [2, 5, 8, 9] by 2 + 2 + 2 x 8 x 9
Got to 433 with [2, 5, 8, 9] by 5 x 8 + 9 x 9 - 8
Got to 434 with [2, 5, 8, 9] by 5 x 5 x 9 - 8 x 2
Got to 435 with [2, 5, 8, 9] by 2 + 9 x 5 x 8 - 5
Got to 436 with [2, 5, 8, 9] by 5 x 8 + 9 x 9 - 5
Got to 437 with [2, 5, 8, 9] by 5 x 8 + 8 x 9 + 5
Got to 438 with [2, 5, 8, 9] by 2 + 9 x 5 x 8 - 2
Got to 439 with [2, 5, 8, 9] by 2 + 5 x 8 x 8 - 9
Got to 440 with [2, 5, 8, 9] by 2 x 5 x 5 + 5 x 8
Got to 441 with [2, 5, 8, 9] by 2 x 5 x 5 x 9 - 9
Got to 442 with [2, 5, 8, 9] by 2 x 5 x 5 x 9 - 8
Got to 443 with [2, 5, 8, 9] by 2 + 5 x 8 x 8 - 5
Got to 443 with [3, 5, 7, 8] by 3 + 5 x 7 x 8 - 5
Got to 444 with [3, 5, 7, 8] by 3 x 3 x 7 x 7 + 3
Got to 445 with [3, 5, 7, 8] by 3 + 5 x 7 x 8 - 3
Got to 446 with [3, 5, 7, 8] by 3 x 3 x 7 x 7 + 5
Got to 447 with [3, 5, 7, 8] by 3 + 8 x 5 x 8 + 7
Got to 448 with [3, 5, 7, 8] by 3 x 3 x 7 x 7 + 7
Got to 449 with [3, 5, 7, 8] by 3 x 3 x 7 x 7 + 8
Got to 450 with [3, 5, 7, 8] by 3 + 3 x 3 x 5 x 5
Got to 451 with [3, 5, 7, 8] by 3 + 5 x 7 x 8 + 3
Got to 452 with [3, 5, 7, 8] by 5 + 8 x 5 x 7 - 3
Got to 453 with [3, 5, 7, 8] by 3 + 5 x 7 x 8 + 5
Got to 454 with [3, 5, 7, 8] by 7 x 8 x 8 + 3 + 3
Got to 455 with [3, 5, 7, 8] by 3 + 3 + 7 x 5 x 7
Got to 456 with [3, 5, 7, 8] by 3 + 5 x 7 x 8 + 8
Got to 456 with [3, 6, 7, 8] by 3 x 3 x 6 + 3 x 8
Got to 457 with [3, 6, 7, 8] by 7 x 8 x 8 + 3 + 6
Got to 458 with [3, 6, 7, 8] by 7 x 8 x 8 + 3 + 7
Got to 459 with [3, 6, 7, 8] by 3 x 7 x 7 + 6 x 3
Got to 460 with [3, 6, 7, 8] by 6 + 7 x 6 x 6 - 8
Got to 461 with [3, 6, 7, 8] by 6 + 7 x 6 x 6 - 7
Got to 462 with [3, 6, 7, 8] by 3 x 3 x 7 + 3 x 7
Got to 463 with [3, 6, 7, 8] by 7 x 7 + 8 x 8 + 7
Got to 464 with [3, 6, 7, 8] by 3 + 8 x 6 - 8 x 8
Got to 465 with [3, 6, 7, 8] by 3 x 7 x 7 + 8 x 3
Got to 466 with [3, 6, 7, 8] by 7 x 8 + 3 x 8 - 6
Got to 467 with [3, 6, 7, 8] by 8 x 8 - 6 x 8 + 3
Got to 468 with [3, 6, 7, 8] by 3 + 3 + 7 x 6 x 6
Got to 469 with [3, 6, 7, 8] by 3 + 7 x 6 + 7 x 7
Got to 470 with [3, 6, 7, 8] by 3 + 8 x 6 x 7 + 8
Got to 471 with [3, 6, 7, 8] by 6 + 7 x 6 x 6 + 3
Got to 472 with [3, 6, 7, 8] by 3 + 7 x 6 x 8 - 8
Got to 473 with [3, 6, 7, 8] by 3 + 7 x 6 x 8 - 7
Got to 474 with [3, 6, 7, 8] by 3 x 3 x 8 + 7 x 6
Got to 475 with [3, 6, 7, 8] by 6 + 7 x 6 x 6 + 7
Got to 476 with [3, 6, 7, 8] by 3 ÷ 6 + 8 x 7 x 8
Got to 477 with [3, 6, 7, 8] by 3 + 7 x 6 x 8 - 3
Got to 478 with [3, 6, 7, 8] by 7 x 8 + 3 x 8 + 6
Got to 479 with [3, 6, 7, 8] by 7 x 8 + 3 x 8 + 7
Got to 480 with [3, 6, 7, 8] by 3 x 3 x 6 + 6 x 8
Got to 481 with [3, 6, 7, 8] by 8 x 8 - 3 x 8 - 7
Got to 482 with [3, 6, 7, 8] by 3 + 7 x 7 x 7 - 8
Got to 483 with [3, 6, 7, 8] by 3 x 3 x 7 + 6 x 7
Got to 484 with [3, 6, 7, 8] by 3 + 7 x 7 x 7 - 6
Got to 485 with [3, 6, 7, 8] by 8 x 8 - 3 x 8 - 3
Got to 486 with [3, 6, 7, 8] by 3 x 3 x 3 x 3 x 6
Got to 487 with [3, 6, 7, 8] by 3 + 7 x 6 x 8 + 7
Got to 488 with [3, 6, 7, 8] by 3 x 3 x 6 + 7 x 8
Got to 489 with [3, 6, 7, 8] by 7 x 8 + 6 x 8 - 7
Got to 490 with [3, 6, 7, 8] by 3 x 3 x 7 + 7 x 7
Got to 491 with [3, 6, 7, 8] by 8 x 8 - 3 x 8 + 3
Got to 492 with [3, 6, 7, 8] by 3 + 8 x 8 - 6 x 6
Got to 493 with [3, 6, 7, 8] by 3 + 7 x 7 x 7 + 3
Got to 494 with [3, 6, 7, 8] by 8 x 8 - 3 x 8 + 6
Got to 495 with [3, 6, 7, 8] by 3 x 7 x 8 - 3 x 3
Got to 496 with [3, 6, 7, 8] by 3 x 3 x 6 + 8 x 8
Got to 497 with [3, 6, 7, 8] by 3 x 3 x 7 + 8 x 7
Got to 498 with [3, 6, 7, 8] by 3 x 3 x 7 x 8 - 6
Got to 499 with [3, 6, 7, 8] by 7 x 8 + 6 x 8 + 3
Got to 500 with [3, 6, 7, 8] by 8 x 8 + 7 x 7 + 3
Got to 501 with [3, 6, 7, 8] by 3 x 3 x 7 x 8 - 3
Got to 502 with [3, 6, 7, 8] by 7 x 8 + 6 x 8 + 6
Got to 503 with [3, 6, 7, 8] by 7 x 8 + 6 x 8 + 7
Got to 504 with [3, 6, 7, 8] by 3 x 3 + 3 x 6 x 7
Got to 505 with [3, 6, 7, 8] by 7 x 8 + 8 x 8 - 7
Got to 506 with [3, 6, 7, 8] by 7 x 8 + 8 x 8 - 6
Got to 507 with [3, 6, 7, 8] by 3 x 3 x 7 x 8 + 3
Got to 508 with [3, 6, 7, 8] by 8 x 8 x 8 + 3 - 7
Got to 509 with [3, 6, 7, 8] by 7 x 8 + 8 x 8 - 3
Got to 510 with [3, 6, 7, 8] by 3 x 3 x 7 x 8 + 6
Got to 511 with [3, 6, 7, 8] by 3 x 3 x 7 x 8 + 7
Got to 512 with [3, 6, 7, 8] by 3 x 3 x 7 x 8 + 8
Got to 513 with [3, 6, 7, 8] by 3 x 7 x 8 + 3 x 3
Got to 514 with [3, 6, 7, 8] by 8 x 8 x 8 - 6 + 8
Got to 515 with [3, 6, 7, 8] by 7 x 8 + 8 x 8 + 3
Got to 516 with [3, 6, 7, 8] by 3 + 7 x 8 + 6 x 6
Got to 517 with [3, 6, 7, 8] by 8 x 8 x 8 - 3 + 8
Got to 518 with [3, 6, 7, 8] by 3 + 7 x 8 - 6 x 7
Got to 519 with [3, 6, 7, 8] by 7 x 8 + 8 x 8 + 7
Got to 520 with [3, 6, 7, 8] by 3 x 3 x 8 - 7 x 8
Got to 521 with [3, 6, 7, 8] by 3 + 8 x 6 x 8 - 7
Got to 522 with [3, 6, 7, 8] by 3 x 7 + 8 x 3 x 6
Got to 523 with [3, 6, 7, 8] by 8 x 8 x 8 + 3 + 8
Got to 524 with [3, 6, 7, 8] by 8 x 8 x 8 + 6 + 6
Got to 525 with [3, 6, 7, 8] by 3 x 3 x 8 + 3 x 7
Got to 526 with [3, 6, 7, 8] by 8 x 8 x 8 + 6 + 8
Got to 527 with [3, 6, 7, 8] by 8 x 8 x 8 + 7 + 8
Got to 528 with [3, 6, 7, 8] by 3 x 3 x 7 + 3 x 8
Got to 529 with [3, 6, 7, 8] by 8 x 8 + 3 x 8 - 7
Got to 530 with [3, 6, 7, 8] by 8 x 8 + 3 x 8 - 6
Got to 531 with [3, 6, 7, 8] by 3 + 8 x 6 x 8 + 3
Got to 532 with [3, 6, 7, 8] by 3 + 7 x 7 + 6 x 7
Got to 533 with [3, 6, 7, 8] by 3 + 8 x 7 x 7 - 6
Got to 534 with [3, 6, 7, 8] by 3 + 8 x 6 x 8 + 6
Got to 535 with [3, 6, 7, 8] by 3 + 8 x 6 x 8 + 7
Got to 536 with [3, 6, 7, 8] by 3 + 7 x 6 + 7 x 8
Got to 537 with [3, 6, 7, 8] by 7 + 8 x 6 x 6 - 3
Got to 538 with [3, 6, 7, 8] by 6 + 7 x 6 x 7 - 8
Got to 539 with [3, 6, 7, 8] by 3 x 6 - 7 x 7 x 7
Got to 540 with [3, 6, 7, 8] by 3 x 3 + 6 x 6 x 6
Got to 540 with [5, 7, 8, 9] by 5 + 8 x 5 - 5 x 9
Got to 541 with [5, 7, 8, 9] by 7 x 8 + 5 x 9 - 8
Got to 542 with [5, 7, 8, 9] by 7 x 8 + 5 x 9 - 7
Got to 543 with [5, 7, 8, 9] by 8 x 8 + 5 x 8 - 9
Got to 544 with [5, 7, 8, 9] by 5 + 7 x 5 + 8 x 8
Got to 545 with [5, 7, 8, 9] by 5 + 7 x 5 x 9 + 5
Got to 546 with [5, 7, 8, 9] by 5 + 5 x 7 + 8 x 7
Got to 547 with [5, 7, 8, 9] by 5 + 7 x 5 x 9 + 7
Got to 548 with [5, 7, 8, 9] by 5 + 7 x 5 x 9 + 8
Got to 549 with [5, 7, 8, 9] by 5 + 5 x 7 - 9 x 9
Got to 550 with [5, 7, 8, 9] by 5 + 8 + 9 x 5 x 5
Got to 551 with [5, 7, 8, 9] by 5 + 5 x 7 x 8 - 9
Got to 552 with [5, 7, 8, 9] by 5 + 5 x 7 x 8 - 8
Got to 553 with [5, 7, 8, 9] by 5 + 5 x 7 x 8 - 7
Got to 554 with [5, 7, 8, 9] by 7 x 8 + 5 x 9 + 5
Got to 555 with [5, 7, 8, 9] by 5 + 5 x 7 x 8 - 5
Got to 556 with [5, 7, 8, 9] by 7 x 8 + 5 x 9 + 7
Got to 557 with [5, 7, 8, 9] by 7 x 8 + 5 x 9 + 8
Got to 558 with [5, 7, 8, 9] by 5 + 5 x 7 - 8 x 9
Got to 559 with [5, 7, 8, 9] by 7 x 8 + 7 x 9 - 8
Got to 560 with [5, 7, 8, 9] by 5 x 5 - 9 x 5 x 7
Got to 561 with [5, 7, 8, 9] by 7 x 9 + 8 x 8 - 7
Got to 562 with [5, 7, 8, 9] by 7 x 8 + 7 x 9 - 5
Got to 563 with [5, 7, 8, 9] by 7 x 9 + 8 x 8 - 5
Got to 564 with [5, 7, 8, 9] by 7 x 9 x 9 + 5 - 8
Got to 565 with [5, 7, 8, 9] by 5 + 5 x 7 x 8 + 5
Got to 566 with [5, 7, 8, 9] by 7 x 9 x 9 + 7 - 8
Got to 567 with [5, 7, 8, 9] by 5 + 5 x 7 - 7 x 9
Got to 568 with [5, 7, 8, 9] by 5 + 5 x 7 x 8 + 8
Got to 569 with [5, 7, 8, 9] by 5 + 5 x 7 x 8 + 9
Got to 570 with [5, 7, 8, 9] by 7 + 8 x 7 + 9 x 5
Got to 571 with [5, 7, 8, 9] by 7 x 8 + 8 x 9 - 5
Got to 572 with [5, 7, 8, 9] by 7 x 8 + 7 x 9 + 5
Got to 573 with [5, 7, 8, 9] by 7 x 9 + 8 x 8 + 5
Got to 574 with [5, 7, 8, 9] by 5 + 5 x 9 - 8 x 7
Got to 575 with [5, 7, 8, 9] by 5 + 7 x 9 + 7 x 5
Got to 576 with [5, 7, 8, 9] by 5 ÷ 5 + 7 x 8 x 9
Got to 577 with [5, 7, 8, 9] by 5 + 8 x 5 x 9 - 8
Got to 578 with [5, 7, 8, 9] by 5 + 8 x 5 x 9 - 7
Got to 579 with [5, 7, 8, 9] by 5 + 7 x 7 x 7 - 9
Got to 580 with [5, 7, 8, 9] by 5 x 5 x 5 - 9 x 5
Got to 581 with [5, 7, 8, 9] by 5 + 5 x 9 - 7 x 7
Got to 582 with [5, 7, 8, 9] by 7 x 9 x 9 + 7 + 8
Got to 583 with [5, 7, 8, 9] by 5 + 7 x 7 x 7 - 5
Got to 584 with [5, 7, 8, 9] by 5 + 5 x 8 - 7 x 8
Got to 585 with [5, 7, 8, 9] by 5 x 5 x 5 - 8 x 5
Got to 586 with [5, 7, 8, 9] by 8 x 8 x 9 + 5 + 5
Got to 587 with [5, 7, 8, 9] by 8 + 9 x 5 x 7 - 8
Got to 588 with [5, 7, 8, 9] by 5 + 8 x 7 - 7 x 7
Got to 589 with [5, 7, 8, 9] by 8 x 8 x 9 + 5 + 8
Got to 590 with [5, 7, 8, 9] by 5 x 5 x 5 - 7 x 5
Got to 591 with [5, 7, 8, 9] by 7 + 8 x 5 x 8 - 9
Got to 592 with [5, 7, 8, 9] by 5 + 8 x 5 x 9 + 7
Got to 593 with [5, 7, 8, 9] by 5 + 7 x 7 x 7 + 5
Got to 594 with [5, 7, 8, 9] by 5 + 8 x 5 x 9 + 9
Got to 595 with [5, 7, 8, 9] by 5 + 5 + 7 x 5 x 7
Got to 596 with [5, 7, 8, 9] by 5 + 7 x 7 x 7 + 8
Got to 597 with [5, 7, 8, 9] by 5 + 7 x 7 x 7 + 9
Got to 598 with [5, 7, 8, 9] by 8 x 9 - 5 x 9 - 5
Got to 599 with [5, 7, 8, 9] by 9 x 9 - 5 x 8 - 9
Got to 600 with [5, 7, 8, 9] by 5 x 5 x 5 - 5 x 5
Got to 601 with [5, 7, 8, 9] by 9 x 9 - 5 x 8 - 7
Got to 602 with [5, 7, 8, 9] by 5 + 8 x 7 - 5 x 7
Got to 603 with [5, 7, 8, 9] by 5 + 7 x 5 + 7 x 9
Got to 604 with [5, 7, 8, 9] by 7 x 9 + 5 x 9 - 8
Got to 605 with [5, 7, 8, 9] by 5 + 9 x 8 + 9 x 5
Got to 605 with [1, 4, 6, 7, 9] by 9 x 9 + 6 x 7 - 4
Got to 606 with [1, 4, 6, 7, 9] by 6 + 6 x 9 - 7 x 6
Got to 607 with [1, 4, 6, 7, 9] by 7 x 9 + 4 x 9 + 4
Got to 608 with [1, 4, 6, 7, 9] by 6 x 7 - 4 x 4 x 4
Got to 609 with [1, 4, 6, 7, 9] by 1 x 9 x 9 + 6 x 7
Got to 610 with [1, 4, 6, 7, 9] by 7 x 9 + 4 x 9 + 7
Got to 610 with [2, 4, 6, 7, 9] by 7 x 9 + 4 x 9 + 7
Got to 611 with [2, 4, 6, 7, 9] by 9 x 9 + 6 x 7 + 2
Got to 612 with [2, 4, 6, 7, 9] by 2 x 4 + 9 x 4 x 9
Got to 613 with [2, 4, 6, 7, 9] by 9 x 9 + 6 x 7 + 4
Got to 614 with [2, 4, 6, 7, 9] by 7 x 9 + 6 x 9 - 7
Got to 615 with [2, 4, 6, 7, 9] by 7 x 9 + 6 x 9 - 6
Got to 616 with [2, 4, 6, 7, 9] by 2 x 6 x 7 + 4 x 7
Got to 617 with [2, 4, 6, 7, 9] by 7 x 9 + 6 x 9 - 4
Got to 618 with [2, 4, 6, 7, 9] by 2 + 9 x 9 + 4 x 6
Got to 619 with [2, 4, 6, 7, 9] by 7 x 9 + 6 x 9 - 2
Got to 620 with [2, 4, 6, 7, 9] by 2 x 9 x 9 - 7 x 4
Got to 621 with [2, 4, 6, 7, 9] by 2 + 7 x 7 + 6 x 9
Got to 622 with [2, 4, 6, 7, 9] by 9 x 9 + 7 x 7 + 6
Got to 623 with [2, 4, 6, 7, 9] by 2 x 7 x 7 - 9 x 7
Got to 624 with [2, 4, 6, 7, 9] by 2 x 6 x 9 - 4 x 6
Got to 625 with [2, 4, 6, 7, 9] by 7 x 9 + 6 x 9 + 4
Got to 626 with [2, 4, 6, 7, 9] by 4 + 6 x 7 x 9 - 4
Got to 627 with [2, 4, 6, 7, 9] by 7 x 9 + 6 x 9 + 6
Got to 628 with [2, 4, 6, 7, 9] by 4 + 6 x 7 x 9 - 2
Got to 628 with [2, 5, 6, 8, 9] by 5 x 8 x 8 - 6 x 2
Got to 629 with [2, 5, 6, 8, 9] by 5 + 8 x 6 x 8 + 5
Got to 630 with [2, 5, 6, 8, 9] by 2 + 5 x 2 x 5 x 9
Got to 631 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 - 9
Got to 632 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 - 8
Got to 633 with [2, 5, 6, 8, 9] by 5 x 5 x 5 x 5 + 8
Got to 634 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 - 6
Got to 635 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 - 5
Got to 636 with [2, 5, 6, 8, 9] by 2 x 6 x 9 - 2 x 6
Got to 637 with [2, 5, 6, 8, 9] by 8 x 9 x 9 - 2 - 9
Got to 638 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 - 2
Got to 639 with [2, 5, 6, 8, 9] by 2 x 5 x 8 - 9 x 9
Got to 640 with [2, 5, 6, 8, 9] by 2 + 2 + 6 x 8 x 8
Got to 641 with [2, 5, 6, 8, 9] by 8 x 9 x 9 - 2 - 5
Got to 642 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 + 2
Got to 643 with [2, 5, 6, 8, 9] by 2 x 6 x 6 x 9 - 5
Got to 644 with [2, 5, 6, 8, 9] by 5 x 8 x 8 + 2 x 2
Got to 645 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 + 5
Got to 646 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 + 6
Got to 647 with [2, 5, 6, 8, 9] by 8 x 9 x 9 + 5 - 6
Got to 648 with [2, 5, 6, 8, 9] by 2 + 2 x 2 x 9 x 9
Got to 649 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 8 + 9
Got to 650 with [2, 5, 6, 8, 9] by 2 x 6 x 6 x 9 + 2
Got to 651 with [2, 5, 6, 8, 9] by 8 x 8 + 9 x 9 - 6
Got to 652 with [2, 5, 6, 8, 9] by 5 x 8 x 8 + 6 x 2
Got to 653 with [2, 5, 6, 8, 9] by 2 x 6 x 6 x 9 + 5
Got to 654 with [2, 5, 6, 8, 9] by 2 x 6 x 6 x 9 + 6
Got to 655 with [2, 5, 6, 8, 9] by 5 x 5 x 5 + 6 x 5
Got to 656 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 2 x 8
Got to 657 with [2, 5, 6, 8, 9] by 2 x 6 x 6 x 9 + 9
Got to 658 with [2, 5, 6, 8, 9] by 5 x 8 x 8 + 9 x 2
Got to 659 with [2, 5, 6, 8, 9] by 8 x 8 + 9 x 9 + 2
Got to 660 with [2, 5, 6, 8, 9] by 2 x 6 x 9 + 2 x 6
Got to 661 with [2, 5, 6, 8, 9] by 8 x 9 + 2 x 9 - 5
Got to 662 with [2, 5, 6, 8, 9] by 8 x 8 + 9 x 9 + 5
Got to 663 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 8 - 9
Got to 664 with [2, 5, 6, 8, 9] by 2 + 9 x 8 - 5 x 8
Got to 665 with [2, 5, 6, 8, 9] by 2 x 8 x 8 + 5 x 5
Got to 666 with [2, 5, 6, 8, 9] by 2 x 5 x 8 - 6 x 9
Got to 667 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 8 - 5
Got to 668 with [2, 5, 6, 8, 9] by 8 x 9 + 2 x 9 + 2
Got to 669 with [2, 5, 6, 8, 9] by 6 + 9 x 5 x 9 - 6
Got to 670 with [2, 5, 6, 8, 9] by 2 x 8 x 8 + 6 x 5
Got to 671 with [2, 5, 6, 8, 9] by 8 x 9 + 2 x 9 + 5
Got to 672 with [2, 5, 6, 8, 9] by 2 + 5 x 2 x 6 x 8
Got to 673 with [2, 5, 6, 8, 9] by 6 + 9 x 5 x 9 - 2
Got to 674 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 8 + 2
Got to 675 with [2, 5, 6, 8, 9] by 2 x 5 + 5 x 5 x 9
Got to 676 with [2, 5, 6, 8, 9] by 9 x 9 - 5 x 9 - 8
Got to 677 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 8 + 5
Got to 678 with [2, 5, 6, 8, 9] by 2 x 6 x 9 + 5 x 6
Got to 679 with [2, 5, 6, 8, 9] by 9 x 9 + 5 x 8 - 9
Got to 680 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 5 x 8
Got to 681 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 8 + 9
Got to 682 with [2, 5, 6, 8, 9] by 8 + 9 x 5 x 8 + 2
Got to 683 with [2, 5, 6, 8, 9] by 6 + 9 x 5 x 9 + 8
Got to 684 with [2, 5, 6, 8, 9] by 2 x 5 + 9 x 6 x 6
Got to 685 with [2, 5, 6, 8, 9] by 2 x 8 x 8 + 9 x 5
Got to 686 with [2, 5, 6, 8, 9] by 8 + 9 x 5 x 8 + 6
Got to 687 with [2, 5, 6, 8, 9] by 8 x 9 + 5 x 9 - 6
Got to 688 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 6 x 8
Got to 689 with [2, 5, 6, 8, 9] by 8 + 9 x 5 x 8 + 9
Got to 690 with [2, 5, 6, 8, 9] by 2 x 8 x 9 - 6 x 5
Got to 691 with [2, 5, 6, 8, 9] by 8 x 9 + 5 x 9 - 2
Got to 692 with [2, 5, 6, 8, 9] by 9 x 9 - 5 x 9 + 8
Got to 693 with [2, 5, 6, 8, 9] by 2 x 6 x 6 + 5 x 9
Got to 694 with [2, 5, 6, 8, 9] by 5 + 8 x 6 x 9 - 8
Got to 695 with [2, 5, 6, 8, 9] by 2 x 8 x 9 - 5 x 5
Got to 696 with [2, 5, 6, 8, 9] by 2 x 6 x 8 - 9 x 8
Got to 697 with [2, 5, 6, 8, 9] by 5 + 8 x 6 x 9 - 5
Got to 698 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 8 - 6
Got to 699 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 8 - 5
Got to 700 with [2, 5, 6, 8, 9] by 5 x 6 - 2 x 5 x 5
Got to 701 with [2, 5, 6, 8, 9] by 8 x 9 + 5 x 9 + 8
Got to 702 with [2, 5, 6, 8, 9] by 2 + 2 + 9 x 6 x 9
Got to 703 with [2, 5, 6, 8, 9] by 9 x 9 - 2 x 9 - 8
Got to 704 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 8 x 8
Got to 705 with [2, 5, 6, 8, 9] by 5 x 5 x 6 - 9 x 5
Got to 706 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 8 + 2
Got to 707 with [2, 5, 6, 8, 9] by 5 + 8 x 6 x 9 + 5
Got to 708 with [2, 5, 6, 8, 9] by 5 ÷ 6 + 9 x 8 x 9
Got to 709 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 8 + 5
Got to 710 with [2, 5, 6, 8, 9] by 2 x 8 x 9 - 2 x 5
Got to 711 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 9 - 9
Got to 712 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 9 x 8
Got to 713 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 8 + 9
Got to 714 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 9 - 6
Got to 715 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 9 - 5
Got to 716 with [2, 5, 6, 8, 9] by 5 x 8 x 9 - 2 x 2
Got to 717 with [2, 5, 6, 8, 9] by 9 x 9 - 2 x 9 + 6
Got to 718 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 9 - 2
Got to 719 with [2, 5, 6, 8, 9] by 9 x 9 - 2 x 9 + 8
Got to 720 with [2, 5, 6, 8, 9] by 2 + 2 x 5 x 6 x 6
Got to 721 with [2, 5, 6, 8, 9] by 8 x 9 + 9 x 9 - 8
Got to 722 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 9 + 2
Got to 723 with [2, 5, 6, 8, 9] by 8 x 9 + 9 x 9 - 6
Got to 724 with [2, 5, 6, 8, 9] by 5 x 8 x 9 + 2 x 2
Got to 725 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 9 + 5
Got to 726 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 9 + 6
Got to 727 with [2, 5, 6, 8, 9] by 8 x 9 + 9 x 9 - 2
Got to 728 with [2, 5, 6, 8, 9] by 2 x 5 x 8 x 9 + 8
Got to 729 with [2, 5, 6, 8, 9] by 2 + 2 + 5 x 9 x 9
Got to 730 with [2, 5, 6, 8, 9] by 2 x 8 x 9 + 2 x 5
Got to 731 with [2, 5, 6, 8, 9] by 8 x 9 + 9 x 9 + 2
Got to 732 with [2, 5, 6, 8, 9] by 2 x 8 x 8 - 6 x 6
Got to 733 with [2, 5, 6, 8, 9] by 9 x 9 x 9 + 2 + 2
Got to 734 with [2, 5, 6, 8, 9] by 8 x 9 + 9 x 9 + 5
Got to 735 with [2, 5, 6, 8, 9] by 8 + 9 x 9 - 6 x 5
Got to 736 with [2, 5, 6, 8, 9] by 2 x 5 x 9 + 2 x 8
Got to 737 with [2, 5, 6, 8, 9] by 8 x 9 + 9 x 9 + 8
Got to 738 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 2 x 9
Got to 739 with [2, 5, 6, 8, 9] by 9 x 9 + 2 x 9 - 8
Got to 740 with [2, 5, 6, 8, 9] by 5 x 5 x 6 - 2 x 5
Got to 741 with [2, 5, 6, 8, 9] by 5 x 5 x 5 x 6 - 9
Got to 742 with [2, 5, 6, 8, 9] by 5 x 5 x 5 x 6 - 8
Got to 743 with [2, 5, 6, 8, 9] by 9 x 9 x 9 + 5 + 9
Got to 744 with [2, 5, 6, 8, 9] by 2 + 9 x 8 + 5 x 8
Got to 745 with [2, 5, 6, 8, 9] by 2 x 8 x 9 + 5 x 5
Got to 746 with [2, 5, 6, 8, 9] by 9 x 9 x 9 + 8 + 9
Got to 747 with [2, 5, 6, 8, 9] by 2 + 9 x 8 - 5 x 9
Got to 748 with [2, 5, 6, 8, 9] by 5 x 5 x 5 x 6 - 2
Got to 749 with [2, 5, 6, 8, 9] by 9 x 9 + 2 x 9 + 2
Got to 750 with [2, 5, 6, 8, 9] by 2 x 8 + 9 x 5 x 6
Got to 751 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 9 - 5
Got to 752 with [2, 5, 6, 8, 9] by 2 x 6 x 8 - 2 x 8
Got to 753 with [2, 5, 6, 8, 9] by 9 x 9 + 2 x 9 + 6
Got to 754 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 9 - 2
Got to 755 with [2, 5, 6, 8, 9] by 5 x 5 x 5 x 6 + 5
Got to 756 with [2, 5, 6, 8, 9] by 2 + 5 x 2 x 6 x 9
Got to 757 with [2, 5, 6, 8, 9] by 8 + 9 x 5 x 9 - 8
Got to 758 with [2, 5, 6, 8, 9] by 5 x 5 x 5 x 6 + 8
Got to 759 with [2, 5, 6, 8, 9] by 2 x 6 x 8 x 8 - 9
Got to 760 with [2, 5, 6, 8, 9] by 2 x 5 + 9 x 5 x 8
Got to 761 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 9 + 5
Got to 762 with [2, 5, 6, 8, 9] by 2 x 6 x 8 x 8 - 6
Got to 763 with [2, 5, 6, 8, 9] by 2 x 6 x 8 x 8 - 5
Got to 764 with [2, 5, 6, 8, 9] by 5 + 9 x 6 x 9 + 8
Got to 765 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 5 x 9
Got to 766 with [2, 5, 6, 8, 9] by 2 x 6 x 8 x 8 - 2
Got to 767 with [2, 5, 6, 8, 9] by 8 + 9 x 5 x 9 + 2
Got to 768 with [2, 5, 6, 8, 9] by 2 + 2 + 8 x 8 x 8
Got to 769 with [2, 5, 6, 8, 9] by 9 x 9 + 5 x 9 - 5
Got to 770 with [2, 5, 6, 8, 9] by 2 x 6 x 8 x 8 + 2
Got to 771 with [2, 5, 6, 8, 9] by 8 + 9 x 5 x 9 + 6
Got to 772 with [2, 5, 6, 8, 9] by 6 x 8 x 8 + 2 x 2
Got to 773 with [2, 5, 6, 8, 9] by 2 x 6 x 8 x 8 + 5
Got to 774 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 6 x 9
Got to 775 with [2, 5, 6, 8, 9] by 5 x 5 + 6 x 5 x 5
Got to 776 with [2, 5, 6, 8, 9] by 2 x 6 x 8 x 8 + 8
Got to 777 with [2, 5, 6, 8, 9] by 2 x 6 x 8 x 8 + 9
Got to 778 with [2, 5, 6, 8, 9] by 6 x 8 x 8 + 5 x 2
Got to 779 with [2, 5, 6, 8, 9] by 9 x 9 + 5 x 9 + 5
Got to 780 with [2, 5, 6, 8, 9] by 2 x 8 x 8 + 2 x 6
Got to 781 with [2, 5, 6, 8, 9] by 9 x 9 + 6 x 9 - 2
Got to 782 with [2, 5, 6, 8, 9] by 9 x 9 + 5 x 9 + 8
Got to 783 with [2, 5, 6, 8, 9] by 2 x 6 x 8 - 9 x 9
Got to 784 with [2, 5, 6, 8, 9] by 2 x 5 x 9 + 8 x 8
Got to 785 with [2, 5, 6, 8, 9] by 2 x 9 x 9 - 5 x 5
Got to 786 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 9 - 6
Got to 787 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 9 - 5
Got to 788 with [2, 5, 6, 8, 9] by 9 x 9 + 6 x 9 + 5
Got to 789 with [2, 5, 6, 8, 9] by 9 x 9 + 6 x 9 + 6
Got to 790 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 9 - 2
Got to 791 with [2, 5, 6, 8, 9] by 9 x 9 + 6 x 9 + 8
Got to 792 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 8 x 9
Got to 793 with [2, 5, 6, 8, 9] by 9 x 9 + 8 x 9 - 8
Got to 794 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 9 + 2
Got to 795 with [2, 5, 6, 8, 9] by 5 x 5 x 6 + 9 x 5
Got to 796 with [2, 5, 6, 8, 9] by 9 x 9 + 8 x 9 - 5
Got to 797 with [2, 5, 6, 8, 9] by 2 + 9 x 8 x 9 + 5
Got to 798 with [2, 5, 6, 8, 9] by 2 x 8 x 8 + 5 x 6
Got to 799 with [2, 5, 6, 8, 9] by 9 x 9 + 8 x 9 - 2
Got to 800 with [2, 5, 6, 8, 9] by 2 + 2 x 5 x 5 x 8
Got to 801 with [2, 5, 6, 8, 9] by 2 x 5 x 8 + 9 x 9
Got to 802 with [2, 5, 6, 8, 9] by 2 x 5 x 9 x 9 - 8
Got to 803 with [2, 5, 6, 8, 9] by 9 x 9 + 8 x 9 + 2
Got to 804 with [2, 5, 6, 8, 9] by 2 x 5 x 9 x 9 - 6
Got to 805 with [2, 5, 6, 8, 9] by 2 x 5 x 9 x 9 - 5
Got to 806 with [2, 5, 6, 8, 9] by 5 x 9 x 9 - 2 x 2
Got to 807 with [2, 5, 6, 8, 9] by 8 + 9 x 6 x 8 - 9
Got to 808 with [2, 5, 6, 8, 9] by 2 x 5 x 9 x 9 - 2
Got to 809 with [2, 5, 6, 8, 9] by 9 x 9 + 8 x 9 + 8
Got to 810 with [2, 5, 6, 8, 9] by 2 + 2 + 6 x 9 x 9
Got to 811 with [2, 5, 6, 8, 9] by 8 + 9 x 6 x 8 - 5
Got to 812 with [2, 5, 6, 8, 9] by 2 x 5 x 9 x 9 + 2
Got to 812 with [1, 2, 5, 6, 8, 9] by 1 + 9 x 9 x 9 + 2
Got to 812 with [2, 3, 5, 6, 8, 9] by 2 x 5 x 9 x 9 + 2
Got to 813 with [2, 3, 5, 6, 8, 9] by 2 x 5 x 9 x 9 + 3
Got to 814 with [2, 3, 5, 6, 8, 9] by 5 x 9 x 9 + 2 x 2
Got to 815 with [2, 3, 5, 6, 8, 9] by 2 x 5 x 9 x 9 + 5
Got to 816 with [2, 3, 5, 6, 8, 9] by 2 x 5 x 9 x 9 + 6
Got to 816 with [2, 3, 5, 7, 8, 9] by 2 + 9 x 9 + 3 x 8
Got to 817 with [2, 3, 5, 7, 8, 9] by 2 x 5 x 9 x 9 + 7
Got to 818 with [2, 3, 5, 7, 8, 9] by 2 x 5 x 9 x 9 + 8
Got to 819 with [2, 3, 5, 7, 8, 9] by 2 + 2 + 9 x 7 x 9
Got to 820 with [2, 3, 5, 7, 8, 9] by 2 x 9 x 9 + 2 x 5
Got to 821 with [2, 3, 5, 7, 8, 9] by 5 + 8 x 7 x 9 + 2
Got to 822 with [2, 3, 5, 7, 8, 9] by 5 + 8 x 7 x 9 + 3
Got to 823 with [2, 3, 5, 7, 8, 9] by 5 + 8 x 8 x 8 - 9
Got to 824 with [2, 3, 5, 7, 8, 9] by 2 x 7 x 7 + 5 x 8
Got to 825 with [2, 3, 5, 7, 8, 9] by 2 + 9 x 3 x 5 x 5
Got to 826 with [2, 3, 5, 7, 8, 9] by 2 x 7 x 9 - 8 x 7
Got to 827 with [2, 3, 5, 7, 8, 9] by 5 + 8 x 7 x 9 + 8
Got to 828 with [2, 3, 5, 7, 8, 9] by 2 x 5 x 9 + 2 x 9
Got to 829 with [2, 3, 5, 7, 8, 9] by 5 + 8 x 8 x 8 - 3
Got to 830 with [2, 3, 5, 7, 8, 9] by 3 x 7 x 8 - 2 x 5
Got to 831 with [2, 3, 5, 7, 8, 9] by 3 x 5 x 7 x 8 - 9
Got to 832 with [2, 3, 5, 7, 8, 9] by 2 + 2 + 9 x 8 x 8
Got to 833 with [2, 3, 5, 7, 8, 9] by 2 x 5 + 7 x 7 x 7
Got to 834 with [2, 3, 5, 7, 8, 9] by 5 x 7 x 8 - 2 x 3
Got to 835 with [2, 3, 5, 7, 8, 9] by 2 x 9 x 9 + 5 x 5
Got to 836 with [2, 3, 5, 7, 8, 9] by 8 + 9 x 7 x 7 + 3
Got to 837 with [2, 3, 5, 7, 8, 9] by 2 x 5 x 9 + 3 x 9
Got to 838 with [2, 3, 5, 7, 8, 9] by 3 x 5 x 7 x 8 - 2
Got to 839 with [2, 3, 5, 7, 8, 9] by 5 + 8 x 8 x 8 + 7
Got to 840 with [2, 3, 5, 7, 8, 9] by 2 + 3 x 3 x 7 x 8
Got to 841 with [2, 3, 5, 7, 8, 9] by 5 + 8 x 8 x 8 + 9
Got to 842 with [2, 3, 5, 7, 8, 9] by 3 x 5 x 7 x 8 + 2
Got to 843 with [2, 3, 5, 7, 8, 9] by 3 x 5 x 7 x 8 + 3
Got to 844 with [2, 3, 4, 5, 7, 8, 9] by 3 x 5 x 7 x 8 + 4
Got to 845 with [2, 3, 4, 5, 7, 8, 9] by 2 x 9 x 9 + 7 x 5
Got to 846 with [2, 3, 4, 5, 7, 8, 9] by 2 x 5 x 9 + 4 x 9
Got to 847 with [2, 3, 4, 5, 7, 8, 9] by 2 x 7 x 8 + 9 x 7
Got to 848 with [2, 3, 4, 5, 7, 8, 9] by 2 x 7 x 7 + 8 x 8
Got to 849 with [2, 3, 4, 5, 7, 8, 9] by 3 x 5 x 7 x 8 + 9
Got to 850 with [2, 3, 4, 5, 7, 8, 9] by 2 x 9 x 9 + 8 x 5
...
*/
@rileyjshaw
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Author

Slight modification to see every arrangement that can reach Level 512 (9 LEDs). Results are sorted by how spread apart the digits are in the final layout:

const {abs, floor, pow} = Math;

const digits = Array.from({length: 9}, (_, i) => i + 1);  // 1...9.
const operations = [
	[(a, b) => a + b, '+'],
	[(a, b) => a - b, '-'],
	[(a, b) => a * b, 'x'],
	[(a, b) => a / b, '÷'],
];
const lengths = [4, 5, 6];  // Acceptable numbers of digits.
const calculationLength = 5;
const maxLevel = 512;

const nn = '\n\n';
const visualize = d => `${d.includes(7) ? 7 : '•'}   ${d.includes(8) ? 8 : '•'}   ${d.includes(9) ? 9 : '•'}${nn
                       }${d.includes(4) ? 4 : '•'}   ${d.includes(5) ? 5 : '•'}   ${d.includes(6) ? 6 : '•'}${nn
                       }${d.includes(1) ? 1 : '•'}   ${d.includes(2) ? 2 : '•'}   ${d.includes(3) ? 3 : '•'}`;

// Returns the [x, y] coordinates of a digit.
const xy = (() => {
	const memo = new Array(digits.length);
	return n => {
		--n;  // Switch to 0-indexing.
		if (memo[n]) return memo[n];
		return memo[n] = [n % 3, floor(n / 3)];
	}
})();

// •   8   •
//     |
// •   •   •
//     |
// 1———•   •
const dRectilinear = (a, b) => {
	const [aX, aY] = xy(a);
	const [bX, bY] = xy(b);
	return abs(aX - bX) + abs(aY - bY);
};

// •   8   •
//    /
// • / •   •
//  /
// 1   •   •
//
// Note: no need to use sqrt or hypot for simple comparison.
const dDiagonal = (a, b) => {
	const [aX, aY] = xy(a);
	const [bX, bY] = xy(b);
	return pow(aX - bX, 2) + pow(aY - bY, 2);
};


const getCombinations = (() => {
	const memoizedCombinations = [];
	const memoizedPermutations = [];

	return function getCombinations (choices, length, permute = false) {
		// Permute = false: [ [1, 2, 3], [1, 2, 4], ... ].
		// Permute = true:  [ [1, 1, 1], [1, 1, 2], ... ].

		// Combinations are stored as indices until it's time to return.
		const memo = permute ? memoizedPermutations : memoizedCombinations;
		if (!memo[length]) memo[length] = [];
		const memoized = memo[length][choices.length];
		let combinations;
		if (memoized) {
			combinations = memoized;
		} else {
			const numChoices = choices.length;
			combinations = (function nextIndex (start = 0, acc = []) {
				const numRemainingSpots = length - acc.length;
				if (!numRemainingSpots) return [acc];

				let results = [];
				if (permute || numRemainingSpots <= numChoices + 1 - start) {
					for (let i = permute ? 0 : start; i < numChoices; ++i) {
						const result = nextIndex(i + 1, acc.concat(i));
						if (result.length) results.push(...result);
					}
				}
				return results;
			})();

			memo[length][choices.length] = combinations;
		}
		return combinations.map(combination => combination.map(i => choices[i]));
	};
})();

// Tests:
console.assert(
	getCombinations(digits, 1).length === getCombinations(digits, 1, true).length,
	'Permutations and combinations with length 1 should be the same.');

console.assert(getCombinations(digits, 2).every(combination =>
	combination.slice(1).every((digit, i) => digit > combination[i])),
	'Combinations should be in order.');

console.assert(getCombinations(digits, 4).length === 126,
	'Incorrect number of combinations.');

console.assert(getCombinations(digits, 4, true).length === pow(9, 4),
	'Incorrect number of permutations.');

console.assert(getCombinations([2, 4, 5, 6, 7], 4, true).some(combination =>
	combination.join('') === '4467'),
	'Spot check.');

console.assert(getCombinations([2, 4, 5, 6, 7], 4).every(combination =>
	combination.every(n => typeof n === 'number')),
	'Spot check 2.');

// Get all possible combinations of operations, eg:
// [ [+, +, +], ..., [-, x, ÷], ... ].
const operationCombinations = getCombinations(operations, calculationLength - 1, true);
lengths.forEach(numAvailableDigits => {
	console.log('#'.repeat(79));
	console.log(`#${' '.repeat(34)}${numAvailableDigits} BUTTONS${' '.repeat(34)}#`);
	console.log('#'.repeat(79));
	console.log('\n');

	// Run through each possible group of available digits.
	// eg. if numAvailableDigits is 3:
	// [ [1, 2, 3], [1, 2, 4], ... ].
	const digitGroups = getCombinations(digits, numAvailableDigits);

	// For each digit group, we need to do something like this:
	//
	// Get all possible combinations of digits in the digit group.
	// eg. if the digit group is [1, 2, 3, 4, 7, 9]:
	// [ [1, 1, 1, 1], ..., [1, 4, 9, 2], ... ].
	//
	digitGroups
		.filter(digitGroup => {
			const digitCombinations = getCombinations(digitGroup, calculationLength, true);

			// First, test if the combination will be able to match the current
			// high score. Then,
			//
			// Starting at 0, try all combinations of digits within the group
			// against all combinations of operators until the target is reached.
			// Then move on to the next target.
			for (let target = maxLevel; target > 0; --target) {
				if (!digitCombinations.some(digitCombination =>
					operationCombinations.some(operationCombination =>
						digitCombination.reduce((acc, digit, i) => {
							const operation = operationCombination[i - 1][0];
							return operation(acc, digit);
						}) === target
					)
				)) return false;
			}
			return true;
		})
		.map(digitGroup => ({
			digitGroup,
			score: getCombinations(digitGroup, 2).reduce((acc, [a, b]) => acc + dDiagonal(a, b), 0),
		}))
		.sort((a, b) => b.score - a.score)
		.forEach(({digitGroup}) => {
			console.log(`[${digitGroup.join(', ')}]`);
			console.log('='.repeat(digitGroup.length * 3));
			console.log(visualize(digitGroup));
			console.log(nn);
		});
});

Result:

###############################################################################
#                                  4 BUTTONS                                  #
###############################################################################


[3, 6, 7, 8]
============
7   8   •

•   •   6

•   •   3



[5, 7, 8, 9]
============
7   8   9

•   5   •

•   •   •



###############################################################################
#                                  5 BUTTONS                                  #
###############################################################################


[1, 3, 6, 7, 8]
===============
7   8   •

•   •   6

1   •   3



[1, 4, 6, 7, 9]
===============
7   •   9

4   •   6

1   •   •



[3, 4, 7, 8, 9]
===============
7   8   9

4   •   •

•   •   3



[1, 3, 5, 7, 8]
===============
7   8   •

•   5   •

1   •   3



[1, 5, 6, 7, 9]
===============
7   •   9

•   5   6

1   •   •



[2, 3, 6, 7, 8]
===============
7   8   •

•   •   6

•   2   3



[2, 4, 6, 7, 9]
===============
7   •   9

4   •   6

•   2   •



[3, 4, 6, 7, 8]
===============
7   8   •

4   •   6

•   •   3



[3, 6, 7, 8, 9]
===============
7   8   9

•   •   6

•   •   3



[1, 5, 7, 8, 9]
===============
7   8   9

•   5   •

1   •   •



[2, 3, 5, 7, 8]
===============
7   8   •

•   5   •

•   2   3



[2, 4, 7, 8, 9]
===============
7   8   9

4   •   •

•   2   •



[2, 6, 7, 8, 9]
===============
7   8   9

•   •   6

•   2   •



[3, 4, 6, 8, 9]
===============
•   8   9

4   •   6

•   •   3



[3, 5, 7, 8, 9]
===============
7   8   9

•   5   •

•   •   3



[1, 5, 6, 7, 8]
===============
7   8   •

•   5   6

1   •   •



[2, 5, 6, 7, 9]
===============
7   •   9

•   5   6

•   2   •



[3, 4, 5, 7, 8]
===============
7   8   •

4   5   •

•   •   3



[3, 5, 6, 7, 8]
===============
7   8   •

•   5   6

•   •   3



[2, 5, 7, 8, 9]
===============
7   8   9

•   5   •

•   2   •



[4, 5, 6, 7, 9]
===============
7   •   9

4   5   6

•   •   •



[4, 6, 7, 8, 9]
===============
7   8   9

4   •   6

•   •   •



[2, 4, 5, 7, 8]
===============
7   8   •

4   5   •

•   2   •



[2, 5, 6, 8, 9]
===============
•   8   9

•   5   6

•   2   •



[4, 5, 6, 7, 8]
===============
7   8   •

4   5   6

•   •   •



[4, 5, 7, 8, 9]
===============
7   8   9

4   5   •

•   •   •



[5, 6, 7, 8, 9]
===============
7   8   9

•   5   6

•   •   •



###############################################################################
#                                  6 BUTTONS                                  #
###############################################################################


[1, 2, 3, 7, 8, 9]
==================
7   8   9

•   •   •

1   2   3



[1, 3, 4, 6, 7, 9]
==================
7   •   9

4   •   6

1   •   3



[1, 2, 3, 4, 7, 9]
==================
7   •   9

4   •   •

1   2   3



[1, 3, 4, 7, 8, 9]
==================
7   8   9

4   •   •

1   •   3



[1, 3, 6, 7, 8, 9]
==================
7   8   9

•   •   6

1   •   3



[1, 2, 3, 6, 7, 8]
==================
7   8   •

•   •   6

1   2   3



[1, 2, 4, 6, 7, 9]
==================
7   •   9

4   •   6

1   2   •



[1, 2, 6, 7, 8, 9]
==================
7   8   9

•   •   6

1   2   •



[1, 3, 4, 6, 7, 8]
==================
7   8   •

4   •   6

1   •   3



[1, 3, 4, 6, 8, 9]
==================
•   8   9

4   •   6

1   •   3



[1, 3, 5, 6, 7, 9]
==================
7   •   9

•   5   6

1   •   3



[1, 3, 5, 7, 8, 9]
==================
7   8   9

•   5   •

1   •   3



[2, 3, 4, 6, 7, 9]
==================
7   •   9

4   •   6

•   2   3



[2, 3, 4, 7, 8, 9]
==================
7   8   9

4   •   •

•   2   3



[1, 2, 3, 6, 8, 9]
==================
•   8   9

•   •   6

1   2   3



[1, 2, 4, 7, 8, 9]
==================
7   8   9

4   •   •

1   2   •



[1, 4, 6, 7, 8, 9]
==================
7   8   9

4   •   6

1   •   •



[2, 3, 6, 7, 8, 9]
==================
7   8   9

•   •   6

•   2   3



[3, 4, 6, 7, 8, 9]
==================
7   8   9

4   •   6

•   •   3



[1, 2, 4, 6, 8, 9]
==================
•   8   9

4   •   6

1   2   •



[1, 2, 5, 6, 7, 9]
==================
7   •   9

•   5   6

1   2   •



[1, 3, 5, 6, 7, 8]
==================
7   8   •

•   5   6

1   •   3



[2, 3, 4, 5, 7, 9]
==================
7   •   9

4   5   •

•   2   3



[2, 3, 4, 6, 7, 8]
==================
7   8   •

4   •   6

•   2   3



[1, 2, 3, 5, 7, 8]
==================
7   8   •

•   5   •

1   2   3



[1, 2, 3, 5, 8, 9]
==================
•   8   9

•   5   •

1   2   3



[1, 2, 5, 7, 8, 9]
==================
7   8   9

•   5   •

1   2   •



[1, 4, 5, 6, 7, 9]
==================
7   •   9

4   5   6

1   •   •



[2, 3, 5, 7, 8, 9]
==================
7   8   9

•   5   •

•   2   3



[3, 4, 5, 6, 7, 9]
==================
7   •   9

4   5   6

•   •   3



[1, 2, 4, 5, 7, 9]
==================
7   •   9

4   5   •

1   2   •



[1, 3, 4, 5, 7, 8]
==================
7   8   •

4   5   •

1   •   3



[1, 5, 6, 7, 8, 9]
==================
7   8   9

•   5   6

1   •   •



[2, 3, 4, 6, 8, 9]
==================
•   8   9

4   •   6

•   2   3



[2, 3, 5, 6, 7, 9]
==================
7   •   9

•   5   6

•   2   3



[2, 4, 6, 7, 8, 9]
==================
7   8   9

4   •   6

•   2   •



[3, 4, 5, 7, 8, 9]
==================
7   8   9

4   5   •

•   •   3



[1, 2, 4, 5, 6, 9]
==================
•   •   9

4   5   6

1   2   •



[1, 2, 5, 6, 7, 8]
==================
7   8   •

•   5   6

1   2   •



[1, 2, 5, 6, 8, 9]
==================
•   8   9

•   5   6

1   2   •



[1, 4, 5, 6, 8, 9]
==================
•   8   9

4   5   6

1   •   •



[2, 3, 4, 5, 7, 8]
==================
7   8   •

4   5   •

•   2   3



[2, 3, 4, 5, 8, 9]
==================
•   8   9

4   5   •

•   2   3



[2, 3, 5, 6, 7, 8]
==================
7   8   •

•   5   6

•   2   3



[2, 4, 5, 6, 7, 9]
==================
7   •   9

4   5   6

•   2   •



[3, 4, 5, 6, 7, 8]
==================
7   8   •

4   5   6

•   •   3



[1, 2, 3, 5, 6, 9]
==================
•   •   9

•   5   6

1   2   3



[1, 4, 5, 7, 8, 9]
==================
7   8   9

4   5   •

1   •   •



[3, 5, 6, 7, 8, 9]
==================
7   8   9

•   5   6

•   •   3



[1, 4, 5, 6, 7, 8]
==================
7   8   •

4   5   6

1   •   •



[2, 4, 5, 7, 8, 9]
==================
7   8   9

4   5   •

•   2   •



[2, 5, 6, 7, 8, 9]
==================
7   8   9

•   5   6

•   2   •



[3, 4, 5, 6, 8, 9]
==================
•   8   9

4   5   6

•   •   3



[2, 4, 5, 6, 7, 8]
==================
7   8   •

4   5   6

•   2   •



[2, 4, 5, 6, 8, 9]
==================
•   8   9

4   5   6

•   2   •



[1, 2, 4, 5, 7, 8]
==================
7   8   •

4   5   •

1   2   •



[2, 3, 5, 6, 8, 9]
==================
•   8   9

•   5   6

•   2   3



[4, 5, 6, 7, 8, 9]
==================
7   8   9

4   5   6

•   •   •

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