PlaySudoku.us
Easy · Puzzle #592
4
5
1
3
2
4
3
5
7
3
8
5
6
4
9
2
4
3
9
6
8
6
7
4
2
9
7
6
4
4
6
3
2
8
7
9
4
8
5
3
6
8
7
4
1
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.