10          20        30        40        50        60 
UGCUAACUUGCUCUUUA--| A    U  U  U         CCC           GUACAA 
                   GA AGUC GC GU GUAAACAUC   GACUGGAAGCU      C
                   CU UCGG CG CG CGUUUGUAG   CUGACUUUCGA      A
CACGGUGCUCCUACAGACA^ C    U  U  U         A--           GUCGAC 
120       110       100        90        80          70