Locked Pair
A Locked Pair is a Naked Pair where both cells are locked in a single intersection.
Because the intersection is part of 2 houses, the Locked Pair can cause eliminations in both of them. If there are only eliminations in one of these houses, the same eliminations can also be made with the Locked Candidates technique.
Locked Pairs are easy to spot, because the 2 cells are very close to each other.
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Sudoku strategies
- Coloring
- Singles
- Fish
- Chains and Loops
- Intersections
- Subsets
- Wings
- Single Digit Patterns
- Uniqueness
- Almost Locked Sets
