PlaySudoku.us
Medium · Puzzle #234
5
9
3
1
4
2
9
3
1
1
3
4
5
9
6
2
8
6
2
2
8
6
4
1
5
4
9
4
8
7
2
9
6
7
5
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.