PlaySudoku.us
Medium · Puzzle #652
1
4
8
9
5
5
1
2
2
1
9
3
1
7
2
5
8
3
9
7
9
7
5
1
4
2
6
7
3
2
6
5
4
9
4
2
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 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.