PlaySudoku.us
Evil · Puzzle #794
1
4
9
6
7
8
9
3
9
8
6
7
1
7
4
9
3
2
7
5
6
5
6
1
3
7
"Simplicity is the ultimate sophistication." — Leonardo da Vinci
"Simplicity is the ultimate sophistication." — Leonardo da Vinci
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.