PlaySudoku.us
Expert · Puzzle #901
6
5
1
4
2
9
2
3
4
7
9
7
5
8
4
2
7
3
2
1
3
6
4
1
7
"Knowing others is wisdom. Knowing yourself is enlightenment." — Laozi
"Knowing others is wisdom. Knowing yourself is enlightenment." — Laozi
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.