C111112111133131121133133313331333133313331322121111331322233311   >>    C11111211113313112113313331333133313331333132212111133132223331   <<    C111112111133131121133133313331333133313331322121111331322233313   >>      C111112111133131121133133313331333133313331322121111331322233312   >>