PlaySudoku.us
Hard · Puzzle #388
5
1
7
9
8
9
8
1
6
3
4
4
8
2
2
9
8
4
7
1
2
5
1
8
1
2
8
9
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.