10            20        30        40        50        60 
GUGCCCUUUUUGACUAU----|    UC                 UA           GUGCGC 
                     GAGGC  AGUCAAUGUAAACACCC  CACUCUCAGCU      C
                     UUCCG  UCAGUUGUAUUUGUGGG  GUGAGGGUCGA      A
ACGUCAAACACGUCGAACGAA^    --                 --           UUGGUU 
120       110       100          90        80          70