First fellow nerd to figure out what this is and explain it in the comments gets my applause.

Grunsymm7

*I would give credit for the diagram but it was posted on pinterest without credit and I can't figure out who to give due.

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  1. Stendec Stendec Avatar

    Electrical potentials (lightning) of a hurricane or other type of storm (tornado?).

  2. J Avatar

    The most absurd venn diagram of 1234567 ever?

  3. Rick McGrath Avatar

    Venn diagram of all combinations of one through seven.

  4. Rene Salinas Avatar

    Yes, a messed up venn diagram of the integers 1 – 7. The bold curve containing all the 1’s was what gave me the clue. NOTE: 137 is in the wrong place. It should be in the little space to the left.

  5. Tim Haab Avatar

    I am only half applauding. There’s more to it…

  6. Rick McGrath Avatar

    And, if you look at the diagram for a single number, an outline of Casper the Friendly Ghost, before they added his feet.

  7. Tim Haab Avatar

    OK, I’ll clap for Rick.
    The diagram is rotationally symmetric (if you rotate the shape for any one nuymber it will exactly coincide with the next number shape). Or put another way, the shape for each number is identical.

  8. Matthew Winden Avatar

    I read the explanations, but I’m still pretty sure this is just a paint by numbers.

  9. Erich Avatar

    The diagram appears to be from Branko Grünbaum, Venn Diagrams II, Geombinatorics, Volume II, Issue 2, (1992) 25-32.
    See:
    http://www.combinatorics.org/files/Surveys/ds5/VennSymmExamples.html#n7
    and follow the link to “non-monotone simple symmetric Venn diagram”.

  10. Maverick Jack Avatar

    The bold curve containing all the 1’s was what gave me the clue. NOTE: 137 is in the wrong place. It should be in the little space to the left.
    http://www.surveytool.com/create-free-online-surveys/

  11. Farnendus Farnendus Avatar

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    http://mypaydayloan-quick.info/?page_id=12

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