C312312111133131212111133131133133313331323223313113313221311331   >>    C31231211113313121211113313113313331333132322331311331322131133   <<    C312312111133131212111133131133133313331323223313113313221311333   >>      C312312111133131212111133131133133313331323223313113313221311332   >>