10            20        30        40        50        60  
UGUCGUUGAAGAAAGCC----|   UG       U    A      ACA         GCUGACU 
                     GAGC  CAGGCAG GUAA CACCCU   CUCUCAGCU       G
                     UUCG  GUCCGUU CAUU GUGGGA   GAGGGUCGA       A
UCCGUCGUCACUACGAGCGGG^   --       C    C      ---         AGGAGAC 
 120       110       100          90        80           70