Input TRS:
    1: plus(s(X),plus(Y,Z)) -> plus(X,plus(s(s(Y)),Z))
    2: plus(s(X1),plus(X2,plus(X3,X4))) -> plus(X1,plus(X3,plus(X2,X4)))
Number of Rules: 2
Direct QTKBOS ... orients all.
	I(plus) = 3 * x1 + x2	sigma(plus) = [1,2]
	I(s) = x1	sigma(s) = [1]
    PREC: s > plus
Number of Rules: 0