2
6
4
4
2
9
5
5
7
1
3
4
5
9
7
3
6
4
1
1
4
8
5
7
9
1
2
4
5
2
1
2
9
3
6
Naked Pairs: if two cells in a house share the same two candidates, eliminate those digits from all other cells in that house.
Naked Pairs: if two cells in a house share the same two candidates, eliminate those digits from all other cells in that house.
"In the middle of every difficulty lies opportunity." — Albert Einstein
"In the middle of every difficulty lies opportunity." — Albert Einstein