PlaySudoku.us
Evil · Puzzle #235
9
5
5
3
4
1
7
2
3
2
6
7
3
2
1
6
4
3
6
4
1
5
9
2
"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.