PlaySudoku.us
Easy · Puzzle #143
6
9
1
8
4
3
5
7
2
5
1
6
9
8
4
4
3
2
7
6
1
2
6
5
1
9
3
6
9
1
5
8
3
4
7
1
9
6
6
9
8
5
7
"I hear and I forget. I see and I remember. I do and I understand." — Confucius
"I hear and I forget. I see and I remember. I do and I understand." — Confucius
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.