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: 851 => 8 5 1 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 8 to 5 = 3 5 to 1 = 4 1 to 8 = 7 Step 3: Combine the filters to a string: 3 4 7 = 347