PlaySudoku.us
Evil · Puzzle #175
1
6
6
4
4
9
7
6
8
2
1
7
8
2
9
1
2
3
5
9
9
5
8
2
8
"It does not matter how slowly you go as long as you do not stop." — Confucius
"It does not matter how slowly you go as long as you do not stop." — Confucius
Group theory classifies Sudoku symmetries: the automorphism group of the 9×9 Sudoku grid has order 1,218,998,108,160.
Group theory classifies Sudoku symmetries: the automorphism group of the 9×9 Sudoku grid has order 1,218,998,108,160.