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