10          20        30        40        50          
AAGGUCACGCACUCCCA--| U  U     C  UC    U  C            UAAAUG 
                   CC UG CCUCA GG  CAGU UU CCAGGAAUCCCU      \
                   GG AC GGAGU UC  GUCA AA GGUCCUUAGGGG      C
CCGCUUAGGUCGACACUUU^ U  U     -  UU    U  A            UAGAAU 
.       110       100         90        80        70