10          20        30        40        50        60    
UUUGAAAUGCGUUGCUCUU--|  CA                 C   G       CAGAAUUCGU 
                     UCG  ACCGUCAGCACAGAGUG UUC ACUUACA          A
                     AGU  UGGUAGUUGUGUCUCAU AAG UGAAUGU          A
UCUUAUGUAAUGCAAAGUCGU^  AG                 -   -       AGUCAACCAA 
      120       110       100        90          80        70