PlaySudoku.us
Medium · Puzzle #911
4
1
2
8
7
9
1
3
4
5
2
8
9
4
1
7
1
6
8
1
2
4
9
2
8
5
3
7
3
8
6
2
4
For Evil puzzles, study the Y-Wing technique: it chains three cells into a forced elimination.
For Evil puzzles, study the Y-Wing technique: it chains three cells into a forced elimination.
"Look deep into nature, and then you will understand everything better." — Albert Einstein
"Look deep into nature, and then you will understand everything better." — Albert Einstein