C111112111133131121133133313331333133313331322121111113313122311   >>    C11111211113313112113313331333133313331333132212111111331312231   <<    C111112111133131121133133313331333133313331322121111113313122313   >>      C111112111133131121133133313331333133313331322121111113313122312   >>