Difference between revisions of "Hidden Triple"
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Latest revision as of 03:19, 4 June 2020
A Hidden Triple is a Hidden Subset of size 3.
When all candidates for 3 digits in a house are limited to only 3 cells, these cells must contain these 3 digits. Subsequently, all remaining candidates can be removed from these 3 cells.
Example
For this row the candidates 2, 5 and 7 (shown shaded green) occur in only three cells, this means that the other candidates in these cells (shaded red) can be removed.
