10          20        30        40        50        60  
AGUCCGUCGUUCAUUGGC--| A     G         U    U  A       GUGAUUUAC 
                    GC GUGUU UUUAGGUCG GACG GU CAAUGUU         G
                    CG CACAA AGAUCCGGC CUGC CA GUUAUAA         C
CGUUAAGCAUACUGCUAGCC^ G     G         C    U  C       CCUGAAUCC 
    120       110       100        90        80        70