MAYBE
747.91/189.21	MAYBE
747.91/189.22	
747.91/189.22	Problem:
747.91/189.22	 2(5(x1)) -> 2(4(0(0(4(1(0(0(1(3(x1))))))))))
747.91/189.22	 2(5(x1)) -> 2(4(3(0(2(2(2(1(4(3(x1))))))))))
747.91/189.22	 1(5(0(x1))) -> 1(4(4(4(4(0(4(0(1(1(x1))))))))))
747.91/189.22	 2(3(5(x1))) -> 2(4(0(0(1(5(1(2(2(1(x1))))))))))
747.91/189.22	 2(5(5(x1))) -> 2(0(3(0(4(0(3(3(3(4(x1))))))))))
747.91/189.22	 4(5(4(x1))) -> 4(1(1(1(2(1(4(5(2(4(x1))))))))))
747.91/189.22	 2(3(0(4(x1)))) -> 2(0(0(1(1(3(0(2(4(4(x1))))))))))
747.91/189.22	 5(5(1(0(x1)))) -> 3(2(2(0(5(1(3(4(0(4(x1))))))))))
747.91/189.22	 3(1(5(2(5(x1))))) -> 3(0(2(4(1(2(0(0(5(2(x1))))))))))
747.91/189.22	 0(2(5(4(3(2(x1)))))) -> 0(2(1(5(2(0(1(2(1(2(x1))))))))))
747.91/189.22	 1(0(5(2(3(4(x1)))))) -> 1(0(0(1(3(0(4(1(0(3(x1))))))))))
747.91/189.22	 1(1(5(0(2(3(x1)))))) -> 0(0(4(5(1(1(1(2(2(3(x1))))))))))
747.91/189.22	 2(1(0(0(3(2(x1)))))) -> 2(1(4(3(0(0(3(0(3(2(x1))))))))))
747.91/189.22	 2(5(0(5(5(5(x1)))))) -> 2(0(1(2(4(0(5(3(5(5(x1))))))))))
747.91/189.22	 2(5(3(0(2(1(x1)))))) -> 2(1(4(5(2(1(2(5(2(1(x1))))))))))
747.91/189.22	 3(5(0(4(5(5(x1)))))) -> 3(4(0(3(4(5(2(0(3(3(x1))))))))))
747.91/189.22	 4(0(2(3(4(2(x1)))))) -> 4(0(0(3(1(4(3(0(2(2(x1))))))))))
747.91/189.22	 5(2(5(5(1(0(x1)))))) -> 5(5(4(4(0(4(2(0(1(4(x1))))))))))
747.91/189.22	 5(4(2(3(0(5(x1)))))) -> 5(5(4(5(4(3(4(1(3(1(x1))))))))))
747.91/189.22	 5(5(1(1(1(5(x1)))))) -> 5(0(1(0(1(1(0(1(4(1(x1))))))))))
747.91/189.22	 5(5(2(5(5(0(x1)))))) -> 3(4(5(2(5(3(4(4(1(0(x1))))))))))
747.91/189.22	 5(5(4(5(5(4(x1)))))) -> 2(2(2(5(5(4(3(4(0(4(x1))))))))))
747.91/189.22	 5(5(5(5(2(5(x1)))))) -> 2(2(3(1(1(4(3(2(4(5(x1))))))))))
747.91/189.22	 1(4(0(5(5(0(5(x1))))))) -> 1(4(3(3(0(4(1(5(3(3(x1))))))))))
747.91/189.22	 2(2(3(5(1(2(5(x1))))))) -> 2(2(1(2(4(0(3(3(2(5(x1))))))))))
747.91/189.22	 3(4(2(3(3(5(5(x1))))))) -> 5(3(2(4(0(2(4(4(0(5(x1))))))))))
747.91/189.22	 4(2(5(3(4(5(5(x1))))))) -> 5(1(5(2(5(0(4(1(1(0(x1))))))))))
747.91/189.22	 4(2(5(5(4(2(4(x1))))))) -> 5(5(3(2(0(2(1(0(3(0(x1))))))))))
747.91/189.22	 4(5(5(4(2(3(2(x1))))))) -> 4(1(1(5(3(5(1(2(4(2(x1))))))))))
747.91/189.22	
747.91/189.22	Proof:
747.91/189.22	 Open
747.91/189.22	EOF