PlaySudoku.us
Medium · Puzzle #90
2
5
5
7
8
4
3
6
1
3
8
4
1
7
8
9
9
4
8
3
2
1
2
7
3
6
5
9
2
9
4
3
6
Box-Line Reduction: if all candidates for a digit in a row or column are within one box, eliminate that digit from the rest of the box.
Box-Line Reduction: if all candidates for a digit in a row or column are within one box, eliminate that digit from the rest of the box.
Box-Line Reduction: if all candidates for a digit in a row or column are within one box, eliminate that digit from the rest of the box.
Box-Line Reduction: if all candidates for a digit in a row or column are within one box, eliminate that digit from the rest of the box.