PlaySudoku.us
Medium · Puzzle #414
2
4
7
9
8
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2
1
5
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5
8
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7
8
1
1
2
4
2
5
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6
3
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8
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5
3
9
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8
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.