10            20        30        40        50         
GCAUUGUAGGGAUCCUC----|  U  C  UG  G        U  U        CGUGAGC 
                     UCU GC GC  CU ACAGUCAG AG UGGUCUGG       \
                     AGA CG UG  GG UGUCGGUU UC ACUAGACU       A
GGACCCCGUUUUCUUGUCGUG^  -  -  GU  G        U  C        CUUAAGG 
       110       100          90        80        70        60