Playing 3 hands at a time 6 chips/hand. Dealer doesn't bust for 28 straight hands. Let's see who can beat that

1. 21
2. 19
3. 18
4. 21
5. 20
6. 20
7. 17
8. 20
9. 17
10. 21
11. 20
12. 20
13. 20
14. 21
15. 21
16. 19
17. 21
18. 21
19. 17
20. 18
21. 19
22. 21
23. 19
24. 19
25. 18
26. 17
27. 20
28. 17