• margpheb
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    Pretty.
    September 22, 2013, 7:09 pm
  • ralukabadoi
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    Quite easy to solve with educated guess.
    September 22, 2013, 8:37 pm
  • littlebitocd
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    12 ambiguous pixels, making diagonals radiating from center.
    March 9, 2020, 2:58 am