PlaySudoku.us
Medium · Puzzle #794
3
9
2
1
8
5
9
6
4
9
2
5
8
5
4
6
5
2
4
9
1
9
4
8
5
1
6
8
9
1
6
7
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.
"The most important thing in chess is to know what is worth calculating and what to trust your intuition on." — Garry Kasparov
"The most important thing in chess is to know what is worth calculating and what to trust your intuition on." — Garry Kasparov