10          20        30        40        50        
AAAUAUCUACAAUGCAA--|     C                 A   C  A   GACUU 
                   ACGAAA AGUAUUUGUUUCGUACA UGU UG UUA     A
                   UGCUUU UCAUAAACAAAGCAUGU ACG AC AAU     C
UCACUAAAUUUACGUAACA^     A                 C   U  A   UCGUA 
      110       100        90        80        70        60