10          20        30        40        50        60 
GCAUAAAAUGAGCCACC--|              U          CA      UUGUAAUUG 
                   CCAUGGUGCUCCCAA GUAAUGAUAG  AAAACU         \
                   GGUACCACGAGGGUU CAUUACUAUC  UUUUGA         A
UUCGUAUUUUACUCAGUGG^              C          UC      ACUAAUAUU 
 120       110       100        90        80        70