PlaySudoku.us
Easy · Puzzle #772
5
2
3
7
9
4
1
3
7
7
2
5
8
6
3
6
8
5
7
2
8
6
2
4
7
2
4
8
3
6
2
6
5
7
9
8
3
8
2
3
7
5
5
7
8
4
2
6
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.