10            20        30        40        50         
CACCUCAUGAGGGAGCU----|   CU    C        CA  C  A     GU CGUCUU 
                     GCCC  UGCU UGGCUGGU  AA GG ACCAA  C      \
                     CGGG  ACGA AUCGACCA  UU CC UGGUU  G      C
AGGUUCUUGACCCGUAACGGU^   --    C        AC  C  C     UG AGAGUC 
       110       100          90        80        70        60