10          20        30        40        50         
GGCCGAGGGCCCUGCGU--|              AGU                 UGUCGC 
                   GGGUGCGGGCGUGUG   GUGUGUGUGUGAGUGUG      U
                   CUCACGCCCGCACAC   CACACACGUACUCGCAC      C
CCGGCUCCCCCGUCUGGGA^              C--                 CUGGGC 
      110       100        90          80        70        60