10          20        30        40        50        60  
GUUUGUAUUUAUGUGAU--|  U   U   UGA   U      CU       A  UUGAGAUA 
                   GUU GCU CAG   ACA UCAACG  GUCGGUG GU        A
                   CGA CGG GUC   UGU AGUUGC  CAGCUAC CA        A
ACGGUGCUUCGUGUACUUC^  C   C   CCA   U      --       -  AAAGAGUU 
 120       110       100        90          80         70