C111112111133131121133133313331333131333132331121111331311331323133313331322211   >>    C11111211113313112113313331333133313133313233112111133131133132313331333132221   <<    C111112111133131121133133313331333131333132331121111331311331323133313331322213   >>      C111112111133131121133133313331333131333132331121111331311331323133313331322212   >>