PlaySudoku.us
Evil · Puzzle #476
2
4
4
7
2
9
8
7
4
6
3
5
8
3
5
1
6
3
2
7
1
9
9
4
5
3
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.
"The universe is under no obligation to make sense to you." — Neil deGrasse Tyson
"The universe is under no obligation to make sense to you." — Neil deGrasse Tyson