5
4
3
7
4
8
6
2
6
1
5
8
6
5
2
1
3
3
5
9
1
7
3
6
1
7
8
6
2
5
8
4
7
6
3
2
"Experience is simply the name we give our mistakes." — Oscar Wilde
"Experience is simply the name we give our mistakes." — Oscar Wilde
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.