r1={AU,UA,GC,CG,GU,UG}
p1=^ 0...10 AA[1,1,1] p2=GGCCUCU[2,1,1] 4...8 r1~p2[2,2,1] 2...10 p3=UGCCCCUUAAAAC[5,2,2] 4...8 ~p3[5,2,2] 0...100 UUUU