C111112111133131121133133313331333133313331322121111331333133313331312312323111   >>    C11111211113313112113313331333133313331333132212111133133313331333131231232311   <<    C111112111133131121133133313331333133313331322121111331333133313331312312323113   >>      C111112111133131121133133313331333133313331322121111331333133313331312312323112   >>