4.13/1.90	MAYBE
4.13/1.90	(UNSUPPORTED)
4.13/1.90	ConCon could not decide confluence of the system.
4.13/1.90	\cite{GNG13}, Theorem 9 does not apply.
4.13/1.90	This system is of type 3 or smaller.
4.13/1.90	This system is deterministic.
4.13/1.90	This system is left-linear.
4.13/1.90	This system is non-confluent.
4.13/1.91	EOF