10          20        30        40        50         
UAUAUAAACUUCACGAA--|   GU       A     C  A           GUGUCUA 
                   AAUG  CUGCAGC CCUUU UC UGUUGUCUACU       \
                   UUAC  GAUGUUG GGAAA AG ACAACAGGUGA       U
GAAUGUUGCUGACUUUUCA^   UU       C     U  A           CUAAAGC 
       110       100        90        80        70        60