10         20         30        40        50        60   
CAAGACCGGCAGGACGAGC-   -|       U   GU                UGGGGCCUGC 
                    GCC CUUCGGGG GAG  AGUAGGUUGUAUAGUU          C
                    CGG GAAGUCCU UUC  UCAUCUAACAUAUCAA          C
CCAGGUCGCGGCUCCAGUGC   U^       -   UG                UAGGUGUCGU 
     120       110       100         90        80        70