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: 66 => 6 6 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 6 to 6 = 0 6 to 6 = 0 Step 3: Combine the filters to a string: 0 0 = 00