10          20        30        40        50        
CUUUAAUCUUUUUUCCU--|   U      UUU        AG     CC     GGGU 
                   GAGC GUUGGA   GGGGCCGG  CACUG  UGAGA    U
                   UUCG CGACUU   CUCUGGCC  GUGAC  ACUCU    A
GGAGAAUCGUCUUCGGUCC^   U      UUU        AA     --     AUGC 
    110       100        90        80        70          60