PlaySudoku.us
Easy · Puzzle #295
8
6
1
5
7
3
1
2
3
4
8
7
6
1
2
4
9
7
8
5
6
8
4
9
3
1
2
1
8
3
9
6
9
7
6
7
2
4
8
5
6
8
7
1
2
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.