PlaySudoku.us
Easy · Puzzle #564
2
7
3
4
6
8
8
9
6
1
4
5
7
3
3
5
7
8
2
1
9
7
2
6
2
8
9
6
3
6
4
3
5
9
3
7
2
7
6
4
3
1
3
2
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 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.