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Worm


Worm

One of the seven 4-polyhexes. S. Kim has observed that four worms solve the puzzle of finding a non-three-colorable map with only four congruent countries (as long as no lakes are allowed).


See also

Three-Colorable Map, Turmite

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References

Gardner, M. Mathematical Magic Show: More Puzzles, Games, Diversions, Illusions and Other Mathematical Sleight-of-Mind from Scientific American. New York: Vintage, p. 147, 1978.Gosper, R. W. G. "Quattroslabia." http://www.ippi.com/rwg/Quattroslabia.htm.

Referenced on Wolfram|Alpha

Worm

Cite this as:

Weisstein, Eric W. "Worm." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Worm.html

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