C3132121111331312113313331333133313113313331333131133133313221333132233121   >>    C313212111133131211331333133313331311331333133313113313331322133313223312   <<    C3132121111331312113313331333133313113313331333131133133313221333132233123   >>      C3132121111331312113313331333133313113313331333131133133313221333132233122   >>