PlaySudoku.us
Easy · Puzzle #754
8
3
6
7
2
9
9
5
4
3
1
8
9
9
8
4
3
5
3
8
6
1
2
6
4
9
2
5
7
8
3
6
8
1
2
1
4
5
7
2
3
8
6
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.