PlaySudoku.us
Medium · Puzzle #777
5
6
2
1
9
7
9
8
4
6
7
3
5
2
8
4
2
7
9
3
8
7
9
5
7
8
4
1
1
5
2
2
6
"Chess is the art of analysis." — Mikhail Botvinnik
"Chess is the art of analysis." — Mikhail Botvinnik
Puzzle difficulty in Sudoku is not just about the number of givens — the pattern of which cells are given matters just as much.
Puzzle difficulty in Sudoku is not just about the number of givens — the pattern of which cells are given matters just as much.