10          20        30        40        50         
UACUAAAAAUUUUUGUG--|                    G             CUAUGG 
                   UUAUGGAAUUGGCUGAGUGUA AGUCAACUGAUGC      \
                   AAUACCUUGACCGACUCACAU UCAGUUGACUACG      A
UCUUGUAACUUCCUAUUAU^                    G             GCAUAA 
       110       100        90        80        70        60