PlaySudoku.us
Medium · Puzzle #612
6
9
2
3
2
1
7
5
7
1
6
2
9
3
4
8
6
7
1
5
7
9
6
4
9
2
2
6
1
8
4
7
3
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.