C3123121111331312121111331333132313331333133313221333131323232233121   >>    C312312111133131212111133133313231333133313331322133313132323223312   <<    C3123121111331312121111331333132313331333133313221333131323232233123   >>      C3123121111331312121111331333132313331333133313221333131323232233122   >>