PlaySudoku.us
Easy · Puzzle #135
4
3
5
9
6
8
2
4
7
3
1
5
5
8
9
4
9
8
5
4
6
1
7
3
8
4
3
2
8
6
5
1
5
9
3
6
7
4
7
8
2
5
1
6
3
4
8
7
5
9
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.
"A champion is afraid of losing. Everyone else is afraid of winning." — Billie Jean King
"A champion is afraid of losing. Everyone else is afraid of winning." — Billie Jean King