10            20        30        40        50         
CACCUCAUGAGGGAGCU----|   CU    C        CA  C  A       CCGUCUU 
                     GCCC  UGCU UGGCUGGU  AA GG ACCAAGU       \
                     CGGG  ACGA AUCGACCA  UU CC UGGUUUG       C
AGGUUCUUGACCCGUAACGGU^   --    C        AC  C  C       GAGAGUC 
       110       100          90        80        70        60