10        20          30        40        50         
GCUGCUCCUCCUCCUCCA   --|  U      G        A         AGUUUGUG 
                  GGG  CCU GGCUGG AUAUCAUC UAUACUGUA        \
                  CCC  GGG CUGAUC UGUAGUAG AUAUGACAU        A
UCCGUCCGAGAUCAGAAC   AU^  U      A        -         CACAGAGU 
      110       100        90        80         70        60