10           20        30        40        50        60  
GUGCUUCAAUCUCAUAGCG---|   U   GUUC       UC  UG    UG   UGAGAAUA 
                      GGAU UCA    ACAUUCA  GC  UCGG  GGU        \
                      CCUA AGU    UGUAAGU  CG  GGCC  UCA        A
ACAAUUCCUCAACGUAUGCGUA^   U   AAC-       --  CA    GU   ACUGUCGU 
 120       110       100         90          80        70