To show you how to calculate the Distances filter for a Pick 2 number here a step by step example.
Step 1: Divide the number into separate digits: 51 => 5 1 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 5 to 1 = 4 1 to 5 = 4 Step 3: Combine the filters to a string: 4 4 = 44