10        20          30        40        50          
GUGCAGUUGGUUUUCUACAAAAUU--|     CU          U        CAGAUUUG 
                          ACGAAA  GGUUUUCACA UGAUUUUA        \
                          UGUUUU  UCAAAAGUGU ACUAGAGU        U
UAGUUGAACGAGACCUCCAUUAAAUU^     AG          U        CUUUAAGU 
 .       110       100        90        80        70