10          20        30        40        50        60
AAGUGCAUUGGUUACCU--|    UG     C       GUAU           UGAAUAU 
                   GUGUG  AUGGG UGGCAGU    UGUUAGCUGGU       G
                   UAUAC  UAUUC AUCGUCG    ACAAUCGACUA       U
UGUGAGACUACGAGUAUCA^    GU     U       ACUU           CGGUAAG 
120       110       100        90        80        70