C11111333133313232233133313331333131133131331121111133313233231333111   >>    C1111133313331323223313331333133313113313133112111113331323323133311   <<    C11111333133313232233133313331333131133131331121111133313233231333113   >>      C11111333133313232233133313331333131133131331121111133313233231333112   >>