PlaySudoku.us
Easy · Puzzle #97
3
2
1
7
5
8
9
4
9
3
1
2
7
7
5
6
9
1
3
7
5
4
3
2
4
3
1
8
5
1
7
6
8
5
7
2
7
6
2
4
5
1
2
5
3
6
9
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.