Three utilities problem: Difference between revisions

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I can't find any non-Wikipedia-based source for calling this "the three-cottage problem", and all non-Wikipedia-based sources universally use "house" not "cottage"
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{{short description|Mathematical problem}}
{{redirect|Water, gas and electricity|the utilities|Public utility|the novel Sewer, Gas & Electric|Matt Ruff}}
[[File:3_utilities_problem_blank.svg|thumb|The three utilities problem. Can each house be connected to each utility, with no connection lines crossing?]]
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