10        20          30        40        50        
GGUCGACAUCAUAUCACCAAU--|     UU         C  G       C  GUGCU 
                       UUCACG  UCCUUGUCA UU UUCGUCC GU     A
                       GGGUGU  GGGAAUAGU AA AGGCAGG CA     C
AACCAGUAAGGCGGCCUACCAGU^     UC         C  G       U  CUGGU 
      110       100        90        80        70        60