10                20        30        40        50          
GCGACAGAGCUAAUCAUUA--------|    UGA   UGCACCG          U  C  UCCACU 
                           GCACC   CCC       AGGGAUAGAA AG GG      \
                           CGUGG   GGG       UCCCUAUCUU UC CC      U
CACUCCCGUCGACACCACCGUCGUCGC^    UCA   -------          U  A  CGACGG 
.       110       100        90               80        70