10          20        30        40        50        60  
GCGGCUGCCAUCUCCUU--|     CA        GA       CU          GUUCUAU 
                   CCAGGG  GCAGGAGG  CGGGAUG  GUGCAGUGUU       \
                   GGUUCC  CGUCCUCC  GCCCUGC  CACGUUAUAA       C
CGGAACCCACGCCUCCUCG^     UC        G-       U-          CCAACCA 
 120       110       100        90         80         70