PlaySudoku.us
Easy · Puzzle #79
9
3
3
1
9
4
2
5
8
6
7
4
9
8
1
4
7
2
1
8
9
3
7
8
1
5
6
1
6
3
4
2
4
9
6
7
2
8
6
8
3
5
9
7
1
2
7
8
1
3
4
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.