PlaySudoku.us
Hard · Puzzle #847
1
2
9
4
7
4
1
8
1
3
9
5
2
1
5
9
4
8
1
6
1
6
2
5
7
1
4
9
4
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.