PlaySudoku.us
Expert · Puzzle #45
3
7
4
9
5
9
8
6
8
5
9
6
8
5
7
2
3
4
3
1
7
6
3
4
9
The number of essentially different Sudoku grids, accounting for symmetry, is 5,472,730,538 — about 5.5 billion.
The number of essentially different Sudoku grids, accounting for symmetry, is 5,472,730,538 — about 5.5 billion.
"The more you know, the more you know you don't know." — Aristotle
"The more you know, the more you know you don't know." — Aristotle