197.58/50.40	MAYBE
197.58/50.40	
197.58/50.40	Problem:
197.58/50.40	 b(a(c(a(a(a(a(a(a(a(x1)))))))))) -> a(a(a(a(a(a(a(a(b(a(c(b(a(c(x1))))))))))))))
197.58/50.40	
197.58/50.40	Proof:
197.58/50.40	 Open
197.58/50.40	EOF