10          20        30           40        50        60 
AACUGUGUUUCAUAAAG--|  U   UGA   ---          UA          GUCAUUUC 
                   UCC CAC   AGC   CGGGUUUCGU  ACAGCGGGCU        G
                   AGG GUG   UCG   GUCCAAAGCA  UGUUGCUUGA        A
UAAAUAAUUUGCAACAAUA^  U   ---   UAC          GC          ACAACUAA 
  120       110       100           90        80        70