Almost Locked Pair
Almost Locked Pair: Across two intersecting houses, the same digits form an ALS and an AHS (almost hidden set).
How it works on this board
Candidates 1 and 5 form an ALS in one house and an AHS (almost hidden set) in the other
3
7
8
1
7
6
4
3
2
9
3
8
7
6
5
8
7
3
3
7
6
9
8
9
5
6
8
4
3
1
8
2
7
1
8
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