A few years ago I did some testing playing 3 DS. I played them with an individual progression using :
Bet......win
amt
1.........05
1.........04
1.........03
2.........07
2.........05
3.........08
4.........10
5.........11
6.........11
7.........10
9.....
Bet......win
amt
1.........05
1.........04
1.........03
2.........07
2.........05
3.........08
4.........10
5.........11
6.........11
7.........10
9.....