C1111133313331323223313331333133313331333232233133112111133222332313232311   >>    C111113331333132322331333133313331333133323223313311211113322233231323231   <<    C1111133313331323223313331333133313331333232233133112111133222332313232313   >>      C1111133313331323223313331333133313331333232233133112111133222332313232312   >>