Input TRS:
    1: topB(i,N1(),y) -> topA(1(),T1(),y)
    2: topA(i,x,N2()) -> topB(0(),x,T2())
    3: topB(i,S1(),y) -> topA(i,N1(),y)
    4: topA(i,x,S2()) -> topB(i,x,N2())
    5: topA(i,N1(),T2()) -> topB(i,N1(),S2())
    6: topA(1(),T1(),T2()) -> topB(1(),T1(),S2())
   e1: topA(i,N1(),y) ->= topA(1(),T1(),y)	[relative]
   e2: topB(i,x,N2()) ->= topB(0(),x,T2())	[relative]
   e3: topA(i,S1(),y) ->= topA(i,N1(),y)	[relative]
   e4: topB(i,x,S2()) ->= topB(i,x,N2())	[relative]
   e5: topB(i,N1(),T2()) ->= topB(i,N1(),S2())	[relative]
   e6: topB(1(),T1(),T2()) ->= topB(1(),T1(),S2())	[relative]
Number of Rules: 6
Direct POLO(Sum) ... removes: 4 1 3 5 6 2 e3 e1
	I(1) = 0
	I(T1) = 0
	I(S1) = 4
	I(topB) = x1 + x2 + x3
	I(T2) = 0
	I(0) = 0
	I(topA) = x1 + x2 + x3 + 1
	I(N2) = 0
	I(N1) = 2
	I(S2) = 0
Number of Rules: 0