let board = [0,8,0,0,4,0,0,0,0,
0,0,2,0,0,0,7,0,0,
0,3,0,9,8,5,0,0,0,
0,0,4,0,0,0,0,0,5,
0,6,5,2,0,4,3,9,0,
7,0,0,0,0,0,6,0,0,
0,0,0,4,6,8,0,2,0,
0,0,9,0,0,0,8,0,0,
0,0,0,0,2,0,0,7,0];
Sudoku.solve(board);
console.log(board);
/*
[9,8,6,7,4,2,1,5,3,
4,5,2,6,3,1,7,8,9,
1,3,7,9,8,5,4,6,2,
3,9,4,8,7,6,2,1,5,
8,6,5,2,1,4,3,9,7,
7,2,1,5,9,3,6,4,8,
5,7,3,4,6,8,9,2,1,
2,4,9,1,5,7,8,3,6,
6,1,8,3,2,9,5,7,4]
*/