A sudoku solver in NodeJS
npm install sudoku-js
var sudoku = require('../lib/sudoku');
var result = sudoku.solve([
[8, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 3, 6, 0, 0, 0, 0, 0],
[0, 7, 0, 0, 9, 0, 2, 0, 0],
[0, 5, 0, 0, 0, 7, 0, 0, 0],
[0, 0, 0, 0, 4, 5, 7, 0, 0],
[0, 0, 0, 1, 0, 0, 0, 3, 0],
[0, 0, 1, 0, 0, 0, 0, 6, 8],
[0, 0, 8, 5, 0, 0, 0, 1, 0],
[0, 9, 0, 0, 0, 0, 4, 0, 0]
]);
console.log(result);
//=> [ [ 8, 1, 2, 7, 5, 3, 6, 4, 9 ],
// [ 9, 4, 3, 6, 8, 2, 1, 7, 5 ],
// [ 6, 7, 5, 4, 9, 1, 2, 8, 3 ],
// [ 1, 5, 4, 2, 3, 7, 8, 9, 6 ],
// [ 3, 6, 9, 8, 4, 5, 7, 2, 1 ],
// [ 2, 8, 7, 1, 6, 9, 5, 3, 4 ],
// [ 5, 2, 1, 9, 7, 4, 3, 6, 8 ],
// [ 4, 3, 8, 5, 2, 6, 9, 1, 7 ],
// [ 7, 9, 6, 3, 1, 8, 4, 5, 2 ] ]