PlaySudoku.us
Expert · Puzzle #999
6
4
5
2
5
1
6
9
7
7
1
5
8
3
1
2
5
8
2
4
6
7
8
3
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.
"Pure mathematics is, in its way, the poetry of logical ideas." — Albert Einstein
"Pure mathematics is, in its way, the poetry of logical ideas." — Albert Einstein