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Three utilities problem

Three utilities problem

Mathematical puzzle of avoiding crossings.

Super rare
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2 owners

Super rareTop 12%

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2 owners
2 copies
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Super rare2 copies

First pulled by Sekssyvdinmorerlyv, Nov 2, 2026

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Readers' pathsAug 2026 – Oct 2026

Readers go next to

Share of the 628 clicks on its links

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    Doughnut-shaped surface of revolution.

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  4. Jordan curve theorem

    Theorem in topology.

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  5. Möbius strip

    Non-orientable surface with one edge.

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    Bipartite graph where each node of 1st set is linked to all nodes of 2nd set.

    7.3%

  7. Planar graph

    Graph that can be embedded in the plane.

    5.9%

  8. Proof without words

    Mathematical proof expressed visually.

    4.3%

  9. Toroidal graph

    Graph able to be embedded on a torus.

    2.4%

  10. Henry Dudeney

    English author and mathematician (1857–1930).

    2.1%

Readers come from

Share of the 1,513 readers arriving from another article

  1. Möbius strip

    Non-orientable surface with one edge.

    31%

  2. Planar graph

    Graph that can be embedded in the plane.

    20%

  3. Seven Bridges of Königsberg

    Classic problem in graph theory.

    13%

  4. Complete bipartite graph

    Bipartite graph where each node of 1st set is linked to all nodes of 2nd set.

    5.2%

  5. Graph theory

    Area of discrete mathematics.

    5.2%

  6. Kuratowski's theorem

    On forbidden subgraphs in planar graphs.

    3.3%

  7. Mathematical puzzle

    Type of puzzle.

    2.3%

  8. Puzzle

    Problem or enigma that tests a person's ingenuity.

    2.1%