10          20        30        40        50         
UCAGACGGGGACAAUAUCA--| AA    A  A     C           U   GUGAGG 
                     GC  UGUG GA AGGUC AACCUCACAUG CCU      C
                     CG  ACAC CU UCCAG UUGGAGUGUGU GGA      U
AGUCACGUCCCUUCUUAUGCC^ GC    C  A     A           C   AGGAAG 
.       110       100        90        80        70        60