10         20         30         40        50        60 
UGUGCAAGUGGGCCUGU-   U- UG        -|          CG       GUAAUGUG 
                  GCC  U  CUGAGUGG GGUUCCUGGCA  GUGAUUU        \
                  CGG  A  GACUCGCC UUAGGGACCGU  CACUAAA        C
UCAGCUAGGUCCUCUUUG   UU GU        A^          UA       AACAGAGA 
  120       110       100        90        80        70