10          20        30        40        50          
AAUCACAAGGGACUGAU--|   CU A              CU      AGACCUGGUUUU 
                   CACU  G CCUUAGAAAUCAAG  UGGGUU            \
                   GUGA  U GGAGUCUUUGGUUC  ACCCAG            U
ACUUGUAAGGGUCGAUAUC^   AG C              AU      CGGAGUCACUUA 
 .       110       100        90        80        70