• Chano
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    Lovely Pattern ! ;)
    August 15, 2013, 8:45 am
  • minimint
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    Very good!
    August 16, 2013, 12:41 am
  • iggie23
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    Thanks.
    August 25, 2015, 3:51 am
  • littlebitocd
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    There's an ambiguity in each corner. the right answer is on the diagonals.
    February 21, 2018, 5:40 am