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: 731 => 7 3 1 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 7 to 3 = 4 3 to 1 = 2 1 to 7 = 6 Step 3: Combine the filters to a string: 4 2 6 = 426