C312312111133131212111133131133133313331323223313231311331323312131   >>    C31231211113313121211113313113313331333132322331323131133132331213   <<    C312312111133131212111133131133133313331323223313231311331323312133   >>      C312312111133131212111133131133133313331323223313231311331323312132   >>