• ostrokat
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    Perfect.
    May 7, 2019, 5:08 pm
  • markblonde
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    Really hard!!!! You need temporaries but it is possible!
    May 7, 2019, 10:44 pm
  • meyere
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    Thanks!
    June 29, 2019, 6:34 am
  • mmartin
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    Thanks.
    August 23, 2019, 8:06 pm
  • mystifier
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    Shame there is no picture but full marks for an excellent logical puzzle.
    October 4, 2019, 11:56 pm