10          20        30        40        50        60
UAAUACCAUGUUAUUAU--|   AG        G      C             CAUGUGA 
                   GGAU  UAUAGACU AGUCUC UUGAAAGUAAUGG       U
                   CCUA  GUAUCUGA UCAGGG AACUUUCAUUACC       U
UUACCCUACCUCAGGGAUU^   CU        A      U             CCAUUCG 
120       110       100        90        80        70