PlaySudoku.us
Medium · Puzzle #450
3
6
4
6
8
8
1
6
4
9
7
8
9
4
7
4
9
6
4
7
3
5
6
6
2
5
9
4
9
2
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.