10          20        30        40        50        60 
GAAAUAAAUGAAAAUUUU--|    GG     U     UUA             GUGUAGUU 
                    UUCUU  CAGUA GAGUA   CAUCAGGUACUGA        \
                    AAGAG  GUUAU CUCGU   GUGGUUCGUGGCU        A
UUUUUAAAUAGAGACGCACU^    UA     C     UAA             CUGUUAAU 
 120       110       100        90        80        70