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Search: ex:EX8189
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BP997 There exists a loop that passes through every white square once without passing through the black square vs. there exists no such loop.
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Adjacent-numbered pages:
BP992 BP993 BP994 BP995 BP996  *  BP998 BP999 BP1000 BP1001 BP1002

KEYWORD

precise, allsorted, grid, preciseworld, left-listable, right-listable

CONCEPT path (info | search)

AUTHOR

James Tanton

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