10          20        30        40        50         
UCUGUCCCCUGCGCCCU--|      U   C  UA        A          ACUCCU 
                   GGGCGGG GGC GU  AGACUUGC GUGAUGUUUA      \
                   CCUGCCC CCG CG  UCUGAACG CACUACAAGU      C
GGGACGAGUCCGUCGCAUC^      U   U  UG        A          GUACGU 
       110       100        90        80        70        60