10        20            30        40        50        
UCUCUCUCAUAUAUGCUAAA----|      AA  GU       G  A        UUCAU 
                        CACUUAC  CU  UUGCAGA GA ACUGAGAC     \
                        GUGAAUG  GA  AACGUCU CU UGACUCUG     A
GCAGGAAGUUCCCCGAACCGUUUC^      AA  --       A  C        UAUCG 
     110       100        90          80        70        60