10        20          30         40        50        60  
AUCGACCAAAAAUUCCAGCAUAAAA--         U-|     U  A       UUUAGUAAU 
                           GCCAGAGGU  AAGAAA UU GGAGUCU         \
                           UGGUCUCUA  UUCUUU AA CUUCAGA         G
ACCUUCAUGGCCCAUCAACUAAAAAAG         UU^     U  -       UGUCGUAAA 
   120       110       100        90        80         70