10         20        30         40        50        60
AAAAAAAUCAGAAAUAUU-            A-|   U  U         C    GUAAUU 
                   GCAAAUAAAGGA  GCAA UC UGGUGCAUU UACA      U
                   CGUUUGUUUCUU  CGUU AG ACCGCGUAA AUGU      U
AGUCAGAAACUACGUUCUU            CA^   U  U         -    ACAAUA 
 .       110       100        90        80         70