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: 730 => 7 3 0 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 7 to 3 = 4 3 to 0 = 3 0 to 7 = 7 Step 3: Combine the filters to a string: 4 3 7 = 437