• VERO
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    Very good puzzle, thank you 9999 !
    February 2, 2019, 12:21 pm
  • mystifier
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    No idea what it is but still, full marks for an excellent, logical puzzle.
    February 2, 2019, 4:28 pm
  • mmartin
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    Cloudy Day? Thank you for the puzzle!
    February 2, 2019, 6:27 pm
  • nickybianco
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    Good puzzle - certainly could be clouds. Thanks.
    February 2, 2019, 7:42 pm
  • ostrokat
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    Perfect.
    February 2, 2019, 8:08 pm
  • Rudi_Raetsellos
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    Thanks - took me ages. WOW!
    February 2, 2019, 10:48 pm
  • vlla
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    Impresionante! No sé que es.
    February 4, 2019, 8:46 pm
  • littlebitocd
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    Hint, start testing R1 from the left side.
    October 22, 2019, 2:44 am