C312312111133131212111133131133133313331323223313231133132313232231   >>    C31231211113313121211113313113313331333132322331323113313231323223   <<    C312312111133131212111133131133133313331323223313231133132313232233   >>      C312312111133131212111133131133133313331323223313231133132313232232   >>