PlaySudoku.us
Evil · Puzzle #567
5
2
9
1
6
5
2
4
3
9
6
4
9
2
1
3
8
5
6
7
2
4
7
Simulated annealing — a probabilistic optimization method — can solve Sudoku but cannot guarantee a unique solution.
Simulated annealing — a probabilistic optimization method — can solve Sudoku but cannot guarantee a unique solution.
Euler's "problème des 36 officiers" — an unsolvable 6×6 Latin square — is a direct mathematical precursor to Sudoku.
Euler's "problème des 36 officiers" — an unsolvable 6×6 Latin square — is a direct mathematical precursor to Sudoku.