C111112111133131121133133313331333133313331322121111331331122331   >>    C11111211113313112113313331333133313331333132212111133133112233   <<    C111112111133131121133133313331333133313331322121111331331122333   >>      C111112111133131121133133313331333133313331322121111331331122332   >>