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: 450 => 4 5 0 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 4 to 5 = 1 5 to 0 = 5 0 to 4 = 4 Step 3: Combine the filters to a string: 1 5 4 = 154