PlaySudoku.us
Expert · Puzzle #482
3
5
7
6
8
5
9
4
6
1
7
9
8
8
2
3
5
8
9
1
9
6
3
4
"The key is to keep company only with people who uplift you, whose presence calls forth your best." — Epictetus
"The key is to keep company only with people who uplift you, whose presence calls forth your best." — Epictetus
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but larger grids become exponentially harder.
Solving Sudoku is NP-complete for an n×n grid. For the standard 9×9, it's fast — but larger grids become exponentially harder.