C3123121111331312121111331333132313331323113313331333132213231121   >>    C312312111133131212111133133313231333132311331333133313221323112   <<    C3123121111331312121111331333132313331323113313331333132213231123   >>      C3123121111331312121111331333132313331323113313331333132213231122   >>