PlaySudoku.us
Easy · Puzzle #394
1
9
5
2
8
9
1
6
9
8
2
4
3
5
3
2
1
4
9
3
4
6
7
8
3
9
1
5
2
3
9
4
6
1
4
8
7
6
9
3
2
7
8
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.