10          20        30        40           50         
AAACAGGCUCAGAACCU--  UG           C    UG C---|       A  GUUCCA 
                   GC  GGGUCCUCUGC AUGA  A    GUUGCACU CU      A
                   CG  UCCGGGAGACG UACU  U    CAACGUGA GA      A
UCCGGAUGGCCAUCCUACA  CA           A    GU AUGA^       C  ACCCGC 
 120       110       100        90        80        70        60