10          20        30        40        50          
UAUCCCACCACCUUUGA--|             UC    U  C            UGGGCA 
                   CCUUGGCCUCAGGG  CAGU UU CCAGGAAUCCCU      \
                   GGAACUGGGGUUCU  GUCA AA GGUCCUUAGGGG      C
CACAAGAGGUCGACGAGAC^             U-    U  A            UAGUGA 
.       110       100        90         80        70