PlaySudoku.us
Expert · Puzzle #899
9
6
7
8
5
1
7
8
7
2
2
5
8
4
6
9
4
1
9
6
9
5
1
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.
"Nothing will work unless you do." — Maya Angelou
"Nothing will work unless you do." — Maya Angelou