PlaySudoku.us
Hard · Puzzle #973
9
2
6
5
1
8
8
6
3
7
9
1
9
5
2
3
9
6
2
8
3
8
7
4
2
5
4
7
The maximum number of givens in a Sudoku that still leaves the rest logically deducible (no trivial completion) can exceed 77.
The maximum number of givens in a Sudoku that still leaves the rest logically deducible (no trivial completion) can exceed 77.
"Knowledge is power." — Francis Bacon
"Knowledge is power." — Francis Bacon