10          20        30        40        50         
GCGACAGAGCUACCACU--|    U    C       CCU     A  U   A  UCCCC 
                   UAGCA UGGA ACAGUGC   GGGAU GA AAG GG     U
                   GUCGU ACCU UGUCAUG   CCCUA CU UUC CC     U
CCCCGUCACCACCACGUCC^    C    U       CU-     C  -   A  UAAAA 
      110       100        90        80          70        60