10          20        30        40        50        60   
GCCCCCGUCCCCCCCCA--|   UC      CU   G    A            GAGAGUGACA 
                   GCGC  CCCGGG  GAG UAGU GGUUGUAUAGUU          \
                   CGCG  GGGCCC  UUC AUCA CCGACAUGUCAA          G
AGGGGGCAGGACGACGUCC^   CC      CU   G    C            UAGAGGUCCC 
     120       110       100        90        80        70