10          20        30        40        50        60
AAGUGCAUUCGUUACCU--|    UG     U       GUA            UGAAUAU 
                   GUGUG  AUGGG UGGCAGU   UUGUUAGCUGGU       A
                   UAUAC  UAUUC AUCGUCA   AACAAUCGACUA       U
UAUGAGACUACAAAUAACA^    GU     U       ACG            CGGUAAG 
120       110       100        90        80        70