10         20         30        40        50 
GCUGACCGCCGUCUGCC-   -|        CA    G            AG 
                  GGG GAGGGCCGU  AACC UUACCAUUACUG  \
                  CUC CUCCCGGCG  UUGG AAUGGUAAUGAC  U
GGGCCACGGCUACUCUAC   G^        CC    G            UU 
 100        90        80        70        60