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December 2021 - Solution

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December 2021 Challenge

Possible solutions for the riddles are

"RLL<L><<L><RR>><<R>>><<<L>>><<<<R>>>"

"RL><L><<RL<LRL><<<<R>R>>>L>><R<RL>R><<<R<<<<L"

These specific solutions were found by Andreas Stiller and can be visualized by a nice "Christmas tree":

       R
      L L
     < L >
    < < L >
   < R R > >
  < < R > > >
 < < < L > > >
< < < < R > > >

        R
       L >
      < L >
     < < R L
    < L R L >
   < < < < R >
  R > > > L > >
 < R < R L > R >
< < < R < < < < L