C222133313331333131123313231333133313331311111211113313331311331333132322222331   >>    C22213331333133313112331323133313331333131111121111331333131133133313232222233   <<    C222133313331333131123313231333133313331311111211113313331311331333132322222333   >>      C222133313331333131123313231333133313331311111211113313331311331333132322222332   >>