This filter accepts only tickets that have the selected ratio of low and high main numbers. Number is low when it is in the lower half of number pool, number is high when it is in the upper half of number pool.
For example in a x/40 lottery, numbers 1 to 20 are low, numbers 21 to 40 are high numbers. In a x/49 lottery, numbers 1 to 24 are low, numbers 25 to 49 are high.
When filter settings are 3 low numbers and 3 high numbers then: