C3123121111331312121111331333132313331323113313331333133313231122233311   >>    C312312111133131212111133133313231333132311331333133313331323112223331   <<    C3123121111331312121111331333132313331323113313331333133313231122233313   >>      C3123121111331312121111331333132313331323113313331333133313231122233312   >>