C31231211111133131211113313331333132233133313331312111133312213113231   >>    C3123121111113313121111331333133313223313331333131211113331221311323   <<    C31231211111133131211113313331333132233133313331312111133312213113233   >>      C31231211111133131211113313331333132233133313331312111133312213113232   >>