## Number Differences Sum

This filter sums *History differences* of numbers in filtered tickets and accepts those tickets that have such a sum in given range in selected *Levels*.

You can tick/untick multiple *Levels* with a single mouse
click - first select table rows you wish to modify with your mouse then
click into one of the selected cells..

### Example - Expert Lotto 6/49 Demo Lottery

When filter settings are Winning
Numbers: 10 latest draws, Levels: 0, 1, *2**, Sum of number differences min: 10 max: 30, At least 3 to 3 levels* must pass then:

- 01-02-11-12-18-23 - filter accepts this ticket because the sum of History number differences in Level 0 is 5+3+8+5+4+1=26, the sum in Level 1 is 11+3+1+7+5+3=30 and in Level 2 it is 4+17+1+3+2+3=30. The sum in all selected Levels is within allowed range.
- 01-02-03-11-12-18 - filter rejects this ticket because the sum in Level 0 is 47, in Level 1 it is 29 and in Level 2 it is 29. Only two Levels have the sum within selected range however the filter condition requires three such Levels.

When filter settings are Winning
Numbers: 10 latest draws, Levels: 0, 1, *2**, 3, 4, 5, 6, 7, 8, 9, 10, Sum of number differences min: 40 max: 50, At least 11 to 11 levels* *must pass *then the filter will find just 4 tickets out of nearly 14 millions that have the sum of *History number differences* in the range of 40 to 50 in all 11 *Levels*.

See also Number Differences Sum statistical property.