Predictive model for US Powerball #s

For the record, for the 8/4 drawing:
PB grouping correct? - No
Main #'s - one of five groupings correct

For the 8/8 drawing:
PM like grouping (18) for PB
For the main #'s PM likes:
Two from grouping (2,15,30,60,65)
Two from grouping (16,20,69)
One from grouping (17,61)

Best of Luck!