PlaySudoku.us
Easy · Puzzle #87
6
3
9
7
8
9
4
5
7
1
7
4
3
9
2
8
1
4
9
8
2
7
7
5
9
2
2
8
4
3
9
6
5
5
7
8
1
9
2
5
6
4
8
7
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.