PlaySudoku.us
Medium · Puzzle #808
8
6
2
9
3
1
6
8
1
7
3
5
2
8
3
1
4
9
6
7
8
3
6
4
1
6
4
7
7
2
6
"Knowing where you're going is not the same as knowing how to get there." — Epictetus
"Knowing where you're going is not the same as knowing how to get there." — Epictetus
Counting the number of Sudoku solutions for a given puzzle is #P-complete — computationally harder than NP-complete.
Counting the number of Sudoku solutions for a given puzzle is #P-complete — computationally harder than NP-complete.