Best 9 numbers to have (historic super bowl data):
0,7 won 2o times
0,3 won 17 times
0,0 won 13 times
3,7 won 13 times
0,4 won 12 times
4,7 won 11 times
3,7 won 8 times
7,7 won 7 times
9,0 won 7 times
In sum, these nine combos win 56% of the time... the other 46 number combos win 44% of the time.
Now besides the right combo, you need the correct number assigned to each team...