C11111333133313232233133313331333131133131331121111133313232112311   >>    C1111133313331323223313331333133313113313133112111113331323211231   <<    C11111333133313232233133313331333131133131331121111133313232112313   >>      C11111333133313232233133313331333131133131331121111133313232112312   >>