PlaySudoku.us
Easy · Puzzle #627
7
4
1
2
5
9
3
2
9
7
1
4
5
9
6
4
3
7
2
2
9
3
8
7
6
3
1
4
5
7
8
2
6
9
3
5
7
2
6
8
5
8
2
7
3
5
4
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.