Combined Filters Neighbors Distances Pick 4 The Neighbors Distances (NB-DST) is a so called "combined filter", a combination of a digit and a math filter. It requires two separate parts to create the filter.
Neighbors (NB) is yet another alternative to the old VTracs (VTX). Instead of combining digits by adding 5 it selects the all even digits with the next odd digit up, 0 with 1, 2 with 3 all the way to 8 with 9. It is another efficient way to combine an odd with an even digit.
To show you how to calculate the Neighbors Distances filter for a Pick 4 number here an example step by step.
Part I: Pick 4 Neighbors Distances Conversion Step 1: Divide 3681 into separate digits: 3681 => 3 6 8 1 Step 2: Convert each digit to filter: 3 = 2 6 = 4 8 = 5 1 = 1 Step 3: Combine the filters to a string: 2 4 5 1 = 2451
Part II: Pick 4 Neighbors Distances Conversion Step 1: Divide the number into separate digits: 2451 => 2 4 5 1 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 2 to 4 = 2 4 to 5 = 1 5 to 1 = 4 1 to 2 = 1 Step 3: Combine the filters to a string: 2 1 4 1 = 2141
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