17 - 67..............two 7s......like e..2.7........7 + 7 = 14....like 14i.............. a range of 50.....1 - 100 sum to 5050............5050 cut in half....sums to 100......a fractal pattern......50 + 50 = 100........a line at 1/2..........which gives u the clue................to match 1st and 2nd..single to double digits, etc....cut in half...........etc......