10           20        30        40        50         
GCAUGUUCUAUUUCUCU---|   U                CG         U  UGAACU 
                    CCUC GUGCGGGAAGGAGAGC  UUCUGUGAC GU      U
                    GGAG CGCGCCUUUUCUCUCG  GAGGUACUG CA      C
CAACAAACAACAACAAAACC^   -                UU         U  CAAGGG 
.       110       100         90        80        70        60