10          20        30        40        50        60  
GUGAAUCAGACGAAUGU-  -| AA   A        A        A  A     AAUCAAGA 
                  CC UG  GGC GGCAAUUG UGACCCAG CA GGACU        U
                  GG GC  CCG CUGUUAAC ACUGGGUC GU CCUGA        U
UUUCAUAUAUAAGAAACG  C^ CC   G        C        C  C     UCUAGCUG 
    120       110       100        90        80        70