10        20        30            40        50         
CUAUAUAAAAAUUGAAAUUUUCAAUACGUU----|        GC          CCGUUUA 
                                  GGCUUUUUG  UGGUCUCAUA       \
                                  CCGAAGAAC  ACUAGAGUAU       G
UAUCGUACAAAGCUUACUUUACUUGAGAAAAAAC^        UU          AGGUCAU 
 .       110       100        90        80        70        60