Combinations of 20 numbers, 9 deletions/16 bets

 Description of combinations refers to Multi Multi. The combinations may be used in other draw-based games.

Out of 80 numbers we choose 20 at random and divide it into 16 bets with 9 crossings each                         

if you hit 5 numbers, the worst possible hand is a three

1 3 4 7 9 11 12 16 17
1 2 4 5 11 13 15 16 19
3 6 7 8 9 10 12 14 17
3 6 7 8 9 10 12 14 18
2 5 6 8 10 13 14 15 18
1 2 4 5 11 13 15 16 20
2 5 6 8 10 13 14 15 19
1 3 4 7 9 11 12 16 20
3 6 7 8 9 10 12 17 18
1 3 4 7 9 11 12 17 20
3 6 7 8 9 10 14 17 18
2 5 6 8 10 13 14 18 19
1 2 4 5 11 13 15 19 20
2 5 6 8 10 13 15 18 19
1 2 4 5 11 13 16 19 20
1 3 4 7 9 11 16 17 20

Replace numbers from 1 to 20 with the numbers of your choice