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: 604 => 6 0 4 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 6 to 0 = 6 0 to 4 = 4 4 to 6 = 2 Step 3: Combine the filters to a string: 6 4 2 = 642