Home → Magazine Archive → December 2009 (Vol. 52, No. 12) → Puzzled: Solutions and Sources → Abstract

Puzzled: Solutions and Sources

By Peter Winkler

Communications of the ACM, Vol. 52 No. 12, Page 111
10.1145/1610252.1610278

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Last month (November 2009, p. 112) we posted a trio of brain teasers, including one as yet unsolved, concerning the covering of a plane.

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