PlaySudoku.us
Easy · Puzzle #582
6
8
3
9
4
2
9
7
2
1
1
4
6
5
5
3
1
6
9
4
2
9
1
5
1
2
7
8
9
5
3
7
2
8
1
2
3
4
6
1
5
7
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.