10          20        30        40        50        
AUGACGUAUGUUGUAUAU--|    UU UAC         AU     A  U   GACGC 
                    GACGG  G   GUCGUUGUU  CACAG UA AGU     U
                    UUGCC  U   CAGCGACAA  GUGUC AU UCA     G
ACUUACCUUGUGCAGUCUCU^    CG UUA         CU     C  C   CAUUA 
      110       100        90        80        70        60