Tag Archives: Discontinuous Nice Loops

A UHC 45 Discontinuous Nice Loop Seminar

Heine’s left page ultrahardcore 45 offers a host of examples illustrating when a Beeby “discontinuous nice loop” is and isn’t a 1-way. Coloring closes the class. UHC 45 has a remarkable number of bv and line slinks, given the monster-like … Continue reading

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Hodoku Nice Loop Mythology

This post dismisses the Stephens/Hobiger theory of cell links, propogation rules, and loop closing rules as unnecessary and overcomplicated. It uses the first two Hodoku AIC ANL examples to demonstrate the alternative Sysudoku chain construction process. As a blogger, one … Continue reading

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