PlaySudoku.us
Easy · Puzzle #358
7
1
3
4
9
2
4
2
8
7
3
9
3
4
6
1
1
3
7
9
8
5
2
6
5
3
2
4
8
2
6
1
7
8
2
9
4
9
3
1
3
5
7
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.