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: 291 => 2 9 1 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 2 to 9 = 7 9 to 1 = 8 1 to 2 = 1 Step 3: Combine the filters to a string: 7 8 1 = 781