PlaySudoku.us
Easy · Puzzle #916
9
6
3
1
4
3
5
9
8
6
7
2
8
1
6
5
6
2
3
9
8
1
5
4
8
2
7
8
9
6
1
3
1
5
7
9
6
4
2
5
1
5
2
1
9
6
8
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but for larger grids, it becomes exponentially harder.
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but for larger grids, it becomes exponentially harder.
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but for larger grids, it becomes exponentially harder.
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but for larger grids, it becomes exponentially harder.