10          20        30        40          50       
UUUAAUAAUUUUUGUUU--    U  U                 --|     U  AAGAA 
                   GCAG CU CUGUUAGUUUUGCAUAG  UUGCAC AC     G
                   CGUC GG GGUAGUCAAAACGUAUC  AACGUG UG     A
UUUGGUGAACUUCCUUUAU    C  U                 UA^     U  AUGUA 
      110       100        90        80        70        60