10          20        30        40        50        60  
GAAGACAUAUCAAUGUU--|      A   A            UC           GUGAAGC 
                   GACAGUG GCA CUGUAAACAUCC  GACUGGAAGCU       \
                   CUGUCAU CGU GACGUUUGUAGG  CUGACUUUCGG       C
UAACGAGGAACUUCAACCU^      C   C            --           GUAAACA 
 120       110       100        90          80        70