C11111333133313232233133313331333133313221333133313232212111133131133223331   >>    C1111133313331323223313331333133313331322133313331323221211113313113322333   <<    C11111333133313232233133313331333133313221333133313232212111133131133223333   >>      C11111333133313232233133313331333133313221333133313232212111133131133223332   >>