PlaySudoku.us
Expert · Puzzle #184
6
7
9
4
7
5
8
6
4
3
1
7
6
5
3
9
4
8
1
5
2
4
2
8
"I am not discouraged, because every wrong attempt discarded is another step forward." — Thomas Edison
"I am not discouraged, because every wrong attempt discarded is another step forward." — Thomas Edison
If pointing pairs aren't visible, try box-line reduction. They're inverses — if one fails, try the other.
If pointing pairs aren't visible, try box-line reduction. They're inverses — if one fails, try the other.