C3123121111331312121111331333132313331333133313311211113331321311   >>    C312312111133131212111133133313231333133313331331121111333132131   <<    C3123121111331312121111331333132313331333133313311211113331321313   >>      C3123121111331312121111331333132313331333133313311211113331321312   >>