PlaySudoku.us
Medium · Puzzle #135
4
6
1
7
8
1
3
6
1
5
3
6
1
2
4
6
8
9
1
4
2
6
7
1
8
5
2
4
6
3
3
2
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.