10          20        30        40        50        60
UCCACCUCUUGAGAAGA--|   C  C    A   UU       U       U  GUGACU 
                   UGGA UC CUUU ACU  AACAUGG AGUACUU CU      U
                   ACCU AG GAAG UGA  UUGUACC UCGUGAA GA      U
ACAUAGGUCCCCGUAUUAA^   A  U    A   UU       U       U  UAAAGU 
120       110       100        90        80        70