PlaySudoku.us
Easy · Puzzle #196
6
3
8
4
7
5
1
4
1
9
5
6
2
5
9
1
8
4
6
1
9
2
6
5
8
7
5
4
5
8
9
2
5
4
9
8
1
7
2
1
9
4
6
8
5
8
3
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.