LogFAQs > #958071829

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TopicWhat is this Sudoku voodoo?
Amuseum
09/15/21 5:30:11 AM
#8:


Sahuagin posted...
note that (I think) the line at the bottom is a separate attempted coloring that came up inconclusive, since no collisions were present after following the links.


Those cells are inconclusive because more than two of the same number are found in the same region. The lines end at H5 and I3 because those numbers collide with too many of the same number in the same region. Three 4s at row H and three in column 3. Thus this solution would not work for this set of cells. It must be exactly two of the same number in any given region.
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