10            20        30        40        50         
GCUGUGGGGCUGAGCCC----|       CG            U            GUUAAU 
                     UGGUUCCA  GUGACCGUGGCU UAGAUUGUUACU      C
                     GCCGGGGU  CGCUGGUACCGA AUCUGACAAUGA      U
ACCACCCUACAUACACUGAGG^       --            C            UUCCAA 
.       110       100          90        80        70        60