C312312111133131212111133131133133313331323223313331311212112111   >>    C31231211113313121211113313113313331333132322331333131121211211   <<    C312312111133131212111133131133133313331323223313331311212112113   >>      C312312111133131212111133131133133313331323223313331311212112112   >>