Example: the distance between 19 and 2 should be calculated like 7 - 4 = 3 pockets.
Number 2 = 7
Number 19 = 3
Another example: the distance between 21 and 3 should be calculated 43 - 36 = 7 pockets.
Number 21 = 43
Number 3 = 36
Number 2 = 7
Number 19 = 3
Another example: the distance between 21 and 3 should be calculated 43 - 36 = 7 pockets.
Number 21 = 43
Number 3 = 36