Combined Filters Neighbors Sums Pick 4 The Neighbors Sums (NB-SUM) 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. The Sums filter is a so called "math filter". Math filters are created through calculations. You get the sum of a number by adding up the digits within that number. To show you how to calculate the Neighbors Sums filter for a Pick 4 number here an example step by step.
Part I: Pick 4 Neighbors Sums Conversion Step 1: Divide 3390 into separate digits: 3390 => 3 3 9 0 Step 2: Convert each digit to filter: 3 = 2 3 = 2 9 = 5 0 = 1 Step 3: Combine the filters to a string: 2 2 5 1 = 2251
Part II: Pick 4 Neighbors Sums Conversion Step 1: Divide the 2251 into separate digits: 2251 => 2 2 5 1 Step 2: Add up the digits: 2 + 2 + 5 + 1 = 10
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