Input TRS:
    1: +(*(x,y),*(x,z)) -> *(x,+(y,z))
    2: +(+(x,y),z) -> +(x,+(y,z))
    3: +(*(x,y),+(*(x,z),u())) -> +(*(x,+(y,z)),u())
Number of Rules: 3
Direct QWPOS(Sum) ... orients all.
	I(*) = x1 + x2 + 1	sigma(*) = [2,1]
	I(+) = x1 + x2 + 1	sigma(+) = [1,2]
	I(u) = 2
    PREC: u > + > *
Number of Rules: 0