Combined Filters Neighbors Distances The Neighbors Distances (NB-DST) is a so called "combined filter", a combination of two filters:
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 select one of the links below for a step by step example.
Neighbors Distances
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