10        20          30        40        50          
CUGCUGGAAUCUGUGCUCCGGG--|       C    A       CA    GA  UAAGAG 
                        GGCUGUGC GGGU GAGAGGG  GUGG  GG      \
                        CCGGUACG CUCA CUCUUCC  CACU  CC      C
UACACGGCAUCUGGUUUCACACGG^       A    C       AC    UC  ACUUCU 
 .       110       100        90        80        70