C111112111133131121133133313331333131333132331121111331311331322333121   >>    C11111211113313112113313331333133313133313233112111133131133132233312   <<    C111112111133131121133133313331333131333132331121111331311331322333123   >>      C111112111133131121133133313331333131333132331121111331311331322333122   >>