10          20        30        40        50        60
GUCAGUCUUCAUCAUUU--|    U        UC    U  C            UGGGCA 
                   CCUCA CCCCGGGG  CAGU UU CCAGGAAUCCCU      A
                   GGGGU GGGGUUCU  GUCA AA GGUCCUUAGGGG      U
CAGUAUAAGUCAUCAGGUC^    U        U-    U  A            GAAAGC 
 .       110       100        90         80        70