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: 108 => 1 0 8 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 1 to 0 = 1 0 to 8 = 8 8 to 1 = 7 Step 3: Combine the filters to a string: 1 8 7 = 187