1. Cover the entire area of the 15×8 square shape with two complete sets of 12 different types of pentominoes.
  2. The pentominos can be rotated and flipped.
  3. Two pentominoes of the same type must not be adjacent to each other even by a corner.
  4. The edges of some pentominoes are already specified.

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  • 8
    $\begingroup$ Did you make this puzzle yourself? $\endgroup$
    – bobble
    Commented Oct 11, 2022 at 20:05
  • $\begingroup$ No. I found this puzzle in one PC magazine from 2013. I did not find solution. So I posted this puzzle here. $\endgroup$
    – Bill
    Commented Oct 12, 2022 at 16:00
  • 2
    $\begingroup$ What is the name of that PC Magazine... or is it really PC Magazine? $\endgroup$ Commented Oct 13, 2022 at 4:33


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