Gives a solution to https://gist.github.com/KOBA789/204d19608dea49651515

puzzle-solution.js

var A = (function(seq) {
            function YClass() {}
            YClass.prototype.toString = function() { return ((++seq) & 3) == 2 ? -1 : 2; };
            return new YClass();
        })(0), 
    B = A;

if (B/A !== A/B && A === B && 1/A > 2/B) console.log('congrats!');