PlaySudoku.us
Medium · Puzzle #216
1
3
7
2
5
4
7
8
4
2
3
8
9
3
5
2
4
7
1
6
7
4
6
9
2
2
1
7
5
3
1
7
8
7
9
4
6
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.