10          20        30        40        50        
UUGCAGUUCUGCCUUCA--|   UGC     CU    C        A       UGAAC 
                   GAGU   CAGUG  GUAC AUGCUGGU GCCAGUG     U
                   CUCG   GUCAC  CGUG UGUGACCA UGGUCGU     A
CAGAUUAACCGUAAUGUGA^   UCA     UC    U        A       UCCGG 
      110       100        90        80        70        60