To show you how to calculate the Distances filter for a Pick 3 number here a step by step example.
Step 1: Divide the number into separate digits: 039 => 0 3 9 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 0 to 3 = 3 3 to 9 = 6 9 to 0 = 9 Step 3: Combine the filters to a string: 3 6 9 = 369