PlaySudoku.us
Medium · Puzzle #54
8
2
3
1
7
9
2
4
9
3
6
2
4
5
8
1
1
3
4
2
6
3
8
1
2
4
5
9
8
2
3
1
6
9
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.