MAYBE
478.19/121.17	MAYBE
478.19/121.17	
478.19/121.17	Problem:
478.19/121.17	 0(1(2(x1))) -> 0(0(2(1(x1))))
478.19/121.17	 0(1(2(x1))) -> 0(2(1(3(x1))))
478.19/121.17	 0(1(2(x1))) -> 0(2(3(1(x1))))
478.19/121.17	 0(1(4(x1))) -> 0(4(1(1(0(0(x1))))))
478.19/121.17	 0(3(2(x1))) -> 0(0(2(3(x1))))
478.19/121.17	 0(3(2(x1))) -> 0(2(3(1(x1))))
478.19/121.17	 0(3(4(x1))) -> 0(0(4(3(x1))))
478.19/121.17	 0(4(5(x1))) -> 0(0(4(1(5(x1)))))
478.19/121.17	 2(0(1(x1))) -> 0(2(1(1(x1))))
478.19/121.17	 2(4(1(x1))) -> 0(4(2(3(1(x1)))))
478.19/121.17	 4(3(2(x1))) -> 4(2(3(1(x1))))
478.19/121.17	 0(1(0(1(x1)))) -> 0(0(3(1(1(x1)))))
478.19/121.17	 0(1(0(2(x1)))) -> 0(0(2(1(1(1(x1))))))
478.19/121.17	 0(1(4(2(x1)))) -> 0(4(2(1(1(x1)))))
478.19/121.17	 0(3(2(4(x1)))) -> 0(4(2(3(0(x1)))))
478.19/121.17	 0(3(4(2(x1)))) -> 0(4(2(3(1(x1)))))
478.19/121.17	 0(3(5(2(x1)))) -> 0(2(1(3(5(x1)))))
478.19/121.17	 0(4(5(3(x1)))) -> 0(0(4(3(5(x1)))))
478.19/121.17	 0(5(3(4(x1)))) -> 0(4(3(3(5(x1)))))
478.19/121.17	 0(5(4(2(x1)))) -> 0(4(2(1(5(x1)))))
478.19/121.17	 2(0(3(1(x1)))) -> 0(3(2(1(1(x1)))))
478.19/121.17	 2(2(4(1(x1)))) -> 4(2(2(3(1(x1)))))
478.19/121.17	 2(3(4(3(x1)))) -> 2(3(0(4(3(3(x1))))))
478.19/121.17	 2(4(1(1(x1)))) -> 2(0(4(1(1(x1)))))
478.19/121.17	 2(4(1(3(x1)))) -> 0(4(3(2(1(x1)))))
478.19/121.17	 2(4(3(2(x1)))) -> 2(0(4(2(3(x1)))))
478.19/121.17	 2(5(4(3(x1)))) -> 0(4(2(3(5(x1)))))
478.19/121.17	 4(2(0(3(x1)))) -> 2(3(0(4(3(x1)))))
478.19/121.17	 4(3(4(3(x1)))) -> 4(3(0(4(3(x1)))))
478.19/121.17	 0(1(5(3(2(x1))))) -> 0(5(0(3(2(1(x1))))))
478.19/121.17	 0(1(5(4(2(x1))))) -> 5(2(1(0(4(3(x1))))))
478.19/121.17	 0(1(5(4(5(x1))))) -> 0(4(1(2(5(5(x1))))))
478.19/121.17	 0(2(2(4(3(x1))))) -> 2(0(4(3(0(2(x1))))))
478.19/121.17	 0(3(0(4(5(x1))))) -> 5(0(0(4(3(2(x1))))))
478.19/121.17	 0(3(2(4(3(x1))))) -> 0(4(3(3(4(2(x1))))))
478.19/121.17	 0(4(2(5(4(x1))))) -> 0(4(2(1(5(4(x1))))))
478.19/121.17	 0(5(3(2(1(x1))))) -> 0(2(3(1(3(5(x1))))))
478.19/121.17	 0(5(4(1(4(x1))))) -> 4(0(4(1(5(0(x1))))))
478.19/121.17	 2(4(1(5(3(x1))))) -> 0(4(1(3(5(2(x1))))))
478.19/121.17	 2(4(2(0(1(x1))))) -> 2(1(1(2(0(4(x1))))))
478.19/121.17	 2(5(3(4(1(x1))))) -> 5(1(0(4(3(2(x1))))))
478.19/121.17	 4(0(1(5(4(x1))))) -> 4(0(0(4(1(5(x1))))))
478.19/121.17	 4(3(0(2(3(x1))))) -> 0(4(2(3(1(3(x1))))))
478.19/121.17	 4(4(1(2(3(x1))))) -> 0(4(4(2(3(1(x1))))))
478.19/121.17	 4(5(1(0(2(x1))))) -> 1(0(4(2(1(5(x1))))))
478.19/121.17	
478.19/121.17	Proof:
478.19/121.17	 Open
478.19/121.17	EOF