10         20         30         40        50         
AGUCAUCAUUCAGAAAU-   A-       AAA  A    U-|  U         AUACAG 
                  GGU  UACAGGA   UG CCUA  GAA UGACAGACA      \
                  UCA  AUGUCUU   AC GGAU  CUU ACUGUCUGU      C
GACUAUAACUUCAUCGUG   AC       AUA  C    UU^  U         UUGAGU 
.       110       100        90        80        70        60