MAYBE
223.41/56.79	MAYBE
223.41/56.79	
223.41/56.79	Problem:
223.41/56.79	 b(a(a(x1))) -> a(b(c(x1)))
223.41/56.79	 c(a(x1)) -> a(c(x1))
223.41/56.79	 c(b(x1)) -> b(a(x1))
223.41/56.79	 L(a(a(x1))) -> L(a(b(c(x1))))
223.41/56.79	 c(R(x1)) -> b(a(R(x1)))
223.41/56.79	
223.41/56.79	Proof:
223.41/56.79	 Open
223.41/56.80	EOF