Exercise 3

// Create a function to test if these sudoku puzzles are correct

// correct
[
  [1,2,3,4,5,6,7,8,9],[4,5,6,7,8,9,1,2,3],[7,8,9,1,2,3,4,5,6],
  [2,3,4,5,6,7,8,9,1],[5,6,7,8,9,1,2,3,4],[8,9,1,2,3,4,5,6,7],
  [3,4,5,6,7,8,9,1,2],[6,7,8,9,1,2,3,4,5],[9,1,2,3,4,5,6,7,8]
],

// incorrect, 5 twice in block 5
[
  [1,2,3,4,5,6,7,8,9],[4,5,6,7,8,9,1,2,3],[7,8,9,1,2,3,4,5,6],
  [2,3,4,5,6,7,8,9,1],[5,6,7,8,9,1,2,3,5],[8,9,1,2,3,4,5,6,7],
  [3,4,5,6,7,8,9,1,2],[6,7,8,9,1,2,3,4,5],[9,1,2,3,4,5,6,7,8]
],

// incorrect, numbers in block 5 shifted by 2 places
[
  [1,2,3,4,5,6,7,8,9],[4,5,6,7,8,9,1,2,3],[7,8,9,1,2,3,4,5,6],
  [2,3,4,5,6,7,8,9,1],[7,8,9,1,2,3,4,5,6],[8,9,1,2,3,4,5,6,7],
  [3,4,5,6,7,8,9,1,2],[6,7,8,9,1,2,3,4,5],[9,1,2,3,4,5,6,7,8]
]