10          20        30        40         50         
UUUGUUGCCCACACCCA--   CU    G  CU          A-|         UGGGGA 
                   ACU  CCUG CU  AGCAGCACAG  AAUAUUGGCA      A
                   UGG  GGAC GA  UCGUCGUGUC  UUAUAACCGU      G
GGGGAAGAGUCAUCGAGAG   UG    G  CC          GG^         CUGAGU 
 .       110       100        90        80        70        60