C312312111133131212111133133313231333133313331322121111331333132323323331   >>    C31231211113313121211113313331323133313331333132212111133133313232332333   <<    C312312111133131212111133133313231333133313331322121111331333132323323333   >>      C312312111133131212111133133313231333133313331322121111331333132323323332   >>