If one brown bookcase has a grid of same-size square compartments, and the other brown bookcase has closed-front storage at the bottom.
return one bookcase ;return #1 that is  brown  ;return compartments ;return #3 that are  square ;return #4 that are  same-size ;return if  #2 has a  grid of  #5 ;return the  other bookcase ;return #7 that is  brown  ;return storage ;return #9 that is  closed-front ;return bottom of  #8 ;return if  #10 is  at #11 ;return if  both  #6 and #12 are  true
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