10        20          30        40        50        
AAGUCAGACAUGACAUUCAGAC--|  G             A  G         GUGGU 
                        UGA GUCCUCAAAACUG GG GCAUUUUCU     \
                        ACU UAGGGGUUUUGAC CC CGUGAAAGG     U
ACCCAAUACUACUCCUAAGUGUUA^  G             -  A         AAAGU 
    110       100        90        80         70        60