0.00/0.06	YES
0.00/0.06	Input TRS:
0.00/0.06	    1: a(a(a(a(x1)))) -> b(b(b(b(b(b(x1))))))
0.00/0.06	    2: b(b(b(b(x1)))) -> c(c(c(c(c(c(x1))))))
0.00/0.06	    3: c(c(c(c(x1)))) -> d(d(d(d(d(d(x1))))))
0.00/0.06	    4: b(b(x1)) -> d(d(d(d(x1))))
0.00/0.06	    5: c(c(d(d(d(d(x1)))))) -> a(a(x1))
0.00/0.06	Number of strict rules: 5
0.00/0.06	Direct POLO(bPol) ... removes: 4 1 3 5 2
0.00/0.06	      a 	w: x1 + 80
0.00/0.06	      d 	w: x1 + 23
0.00/0.06	      b 	w: x1 + 53
0.00/0.06	      c 	w: x1 + 35
0.00/0.06	Number of strict rules: 0
0.00/0.06	EOF