PlaySudoku.us
Easy · Puzzle #186
6
8
4
5
2
4
3
8
6
9
8
6
3
2
3
6
8
9
7
1
4
8
6
7
5
2
6
1
6
4
7
7
4
3
8
5
2
9
1
6
2
8
1
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.