PlaySudoku.us
Easy · Puzzle #790
7
8
3
4
2
9
9
6
6
9
3
9
3
8
6
4
5
4
2
1
5
3
6
9
5
8
2
1
9
4
7
6
8
1
2
8
3
6
4
3
6
1
4
5
9
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.