10          20        30        40        50        60   
UGUGUGUGUGUUCCAAU--|  UC  UGC   U         CCC           GUAAUGCA 
                   GGC  CU   AGU GUAAACAUU   GACUGGAAGUU        \
                   CCG  GG   UCG CGUUUGUAG   CUGACUUUCGA        G
GUCUGUCUGUCAACGACCU^  GU  UCA   U         U--           CUCUAAAA 
   120       110       100        90          80        70