195.61/50.40	MAYBE
195.61/50.41	
195.61/50.41	Problem:
195.61/50.41	 a(a(b(a(a(a(a(a(x1)))))))) -> a(a(a(a(a(a(a(b(a(a(a(b(x1))))))))))))
195.61/50.41	
195.61/50.41	Proof:
195.61/50.41	 Open
195.61/50.41	EOF