10          20        30         40        50        60
UCUGAUCCUGUUUAAUU--          AAAA        -|  U      C  GUGUGCC 
                   GGUGCACAGG    UGACCUAU GAA UGACAG CA       U
                   UCACGUGUCU    ACUGGGUG CUU ACUGUC GU       U
GACUAAACAUCCGUCAAGU          CAUA        U^  U      U  UUGAGAC 
 120       110       100        90        80        70