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: 476 => 4 7 6 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 4 to 7 = 3 7 to 6 = 1 6 to 4 = 2 Step 3: Combine the filters to a string: 3 1 2 = 312