C111112111133131121133133313331333133313331322121111331333133313331323113113111   >>    C11111211113313112113313331333133313331333132212111133133313331333132311311311   <<    C111112111133131121133133313331333133313331322121111331333133313331323113113113   >>      C111112111133131121133133313331333133313331322121111331333133313331323113113112   >>