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Henry Dudeney
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Illustration of the gas, water, and electricity problem showing three utility buildings labeled W, G, and E, and three houses labeled A, B, and C. Colored lines connect each utility to each house, forming a complete bipartite graph K3,3, with a key identifying water pipes, gas lines, and electrical wires. The diagram demonstrates the non-planar nature of K3,3 in graph theory, as the connections cross over each other.
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Henry Dudeney: Media

English author
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Dudeney puzzle
The English recreational problemist Henry Dudeney claimed to have a solution to a...
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