• angie76
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    A bit of guessing going on, cool thanks.
    May 25, 2015, 6:12 pm
  • Superphilipp
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    Solvable with logic alone. Thanks!
    May 26, 2015, 4:49 pm
  • moenko
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    Solvable only because of symmetry (some call it "logic"), nice picture, though!
    June 1, 2015, 5:39 pm
  • Smiguli
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    It's not symmetry, it's process of elimination, completely logical...
    September 30, 2016, 3:34 pm
  • mich61
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    Thanks.
    December 5, 2016, 3:33 am
  • Strigoii
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    Fully logical, even without assuming symmetry. Thank you!
    November 19, 2017, 5:10 am