10            20        30        40        50         
UUGGGGGAGCAGCAGAA----|   UCU     UU       U  C          GCUCCA 
                     CUGG   GUGAU  AGGUAGU UC UGUUGUUGGG      \
                     GACU   CAUUA  UCCGUCA AG ACGACAGCUC      C
AUAUGGACCACUGCUUAAGUU^   U--     CU       U  C          UCUUUC 
       110       100          90        80        70        60