12...7.8.6 2..8...4.9 3.64.53... 4..1..7.9. 5...6.5... 6.5.9..1.. 7...73.56. 85.6...2.. 97.2.4...3 10215479836 11378261459 12964853721 13421387695 14897615342 15653924187 16149732568 17536198274 18782546913 19