197.13/50.44	MAYBE
197.13/50.44	
197.13/50.44	Problem:
197.13/50.44	 a(b(a(a(a(a(a(x1))))))) -> a(a(a(a(a(a(b(a(b(a(a(a(a(b(x1))))))))))))))
197.13/50.44	
197.13/50.44	Proof:
197.13/50.44	 Open
197.13/50.45	EOF