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: 855 => 8 5 5 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 8 to 5 = 3 5 to 5 = 0 5 to 8 = 3 Step 3: Combine the filters to a string: 3 0 3 = 303