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: 615 => 6 1 5 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 6 to 1 = 5 1 to 5 = 4 5 to 6 = 1 Step 3: Combine the filters to a string: 5 4 1 = 541