PlaySudoku.us
Easy · Puzzle #376
9
8
4
7
7
2
8
4
9
4
1
3
6
8
5
8
3
4
7
9
2
2
7
1
6
8
4
3
9
2
3
4
7
8
5
1
5
2
9
6
7
4
2
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.