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BP840 Any transformation (rotation or flip) that sends one L to another L sends each L to some other L versus not so.
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COMMENTS

Restriction of BP841 to these axis-aligned L-shapes.


Left examples represent subgroups of the dihedral group D4.

CROSSREFS

Adjacent-numbered pages:
BP835 BP836 BP837 BP838 BP839  *  BP841 BP842 BP843 BP844 BP845

KEYWORD

traditional

WORLD

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AUTHOR

Aaron David Fairbanks

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