10          20        30        40        50        60 
ACUGGCUCUGAUUCUAA--|        U    U         CU        GGUUCCAAG 
                   GCGAGGUGU CUGU GUGCUUGAU  AACCAUGU         C
                   UGUUCCGCA GGUA CACGAACUG  UUGGUACA         U
ACUGUACGACGUCUUUCUG^        U    C         CU        AAAUGAGUA 
  120       110       100        90        80        70