C3123121111331312121111331333132313331323113313331333132322333121221   >>    C312312111133131212111133133313231333132311331333133313232233312122   <<    C3123121111331312121111331333132313331323113313331333132322333121223   >>      C3123121111331312121111331333132313331323113313331333132322333121222   >>