PlaySudoku.us
Medium · Puzzle #79
7
6
4
5
1
7
9
6
2
3
5
1
4
5
9
2
7
6
1
8
7
3
5
7
6
5
2
9
1
4
8
3
"Intelligence is the ability to adapt to change." — Stephen Hawking
"Intelligence is the ability to adapt to change." — Stephen Hawking
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.