10        20          30        40        50        60     
AUCGUCGUCGAAUGGAUGUGAC--|     CU    A     AG         GUCUUGUCACUGA 
                        GUGUCG  AGCG GGUAU  AGUUCCUAC             \
                        CGCAGC  UCGU CCAUA  UCAAGGAUG             A
CUACUUAGCCUCUGAUAGCCUAAC^     UC    G     CU         GUUAGCUGAACUU 
 .       120       110       100        90        80        70