PlaySudoku.us
Expert · Puzzle #743
3
1
7
4
2
6
9
8
1
2
7
8
9
2
1
2
7
6
4
1
6
7
4
9
3
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.
"You don't play against opponents. You play against the game of basketball." — Bobby Knight
"You don't play against opponents. You play against the game of basketball." — Bobby Knight