18....5.3. 2..63.1..8 3.3978.... 4.9.53.1.. 55..4.8..9 6..7.16.8. 7....4375. 81..8.74.. 9.7.1....6 10814265937 11756391248 12239784615 13698532174 14521478369 15347916582 16982643751 17165827493 18473159826 19