10            20        30        40        50        
AAAUCAUCAGUGAUAAU----|   C    AC              GG        UUGGU 
                     UCUG AAUA  UGGUGUUUACCGUG  GUCUUGAU     U
                     AGAU UUAU  ACUAUAAGUGGCGC  CGGAAUUA     G
CAUCAUGUAGGCAUCAUACUA^   -    A-              A-        UUUAU 
     110       100         90         80         70        60