C313212111133131211331333133313331311331333131133133313232233132331311   >>    C31321211113313121133133313331333131133133313113313331323223313233131   <<    C313212111133131211331333133313331311331333131133133313232233132331313   >>      C313212111133131211331333133313331311331333131133133313232233132331312   >>