C312312111133131212111133131133133313331323223313231311331323113231   >>    C31231211113313121211113313113313331333132322331323131133132311323   <<    C312312111133131212111133131133133313331323223313231311331323113233   >>      C312312111133131212111133131133133313331323223313231311331323113232   >>