10 20 30 40 50 60
UCUCCGUUCUUUCUGGG----| UU UA UU GUAAGGU
CAGUCU GC CUGUAAACAUCC GACUGGAAGCU G
GUCGGA CG GACAUUUGUAGG CUGACUUUCGA U
GUAUCGACCCCUGCUGACACC^ -- GC -- GGAGACU
120 110 100 90 80 70