10 20 30 40 50 60
GUCUCCAUUCUUCUGGG----| UU UA UU GUAAGGC
CAGUCU GC CUGUAAACAUCC GACUGGAAGCU G
GUCGGA CG GACAUUUGUAGG CUGACUUUCGA U
ACACGUCGCCCUACUGGCACC^ -- GC -- GGAACGU
120 110 100 90 80 70