Combined Filters Neighbors Distance Codes Pick 4 The Neighbors Distance Codes (NB-DSC) 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 Distance Codes filter for a Pick 4 number here an example step by step.
Part I: Pick 4 Neighbors Distance Codes Conversion Step 1: Divide 2486 into separate digits: 2486 => 2 4 8 6 Step 2: Convert each digit to filter: 2 = 2 4 = 3 8 = 5 6 = 4 Step 3: Combine the filters to a string: 2 3 5 4 = 2354
Part II: Pick 4 Neighbors Distance Codes Conversion Step 1: Divide the number into separate digits: 2354 => 2 3 5 4 Step 2: Calculate the distance between each digit and the next (the last digit with the first): 2 to 3 => 1 3 to 5 => 2 5 to 4 => 1 4 to 2 => 2 Step 3: Convert distances to codes (0=E[qual], 1 & 9 = C[onsecutive], 2-8 = N[one]): 1 => C 2 => N 1 => C 2 => N Step 4: Combine the filters to a string: C N C N = CNCN
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