PlaySudoku.us
Medium · Puzzle #630
8
7
9
8
7
9
5
2
8
1
9
8
3
4
5
2
6
8
4
9
2
7
8
3
8
9
6
7
4
7
3
9
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.