KEY
H17 GAME: DEALER HITS SOFT 17
S17 GAME: DEALER STANDS ON 17
N  No, don't split.. TC True count
Y  Yes, split. RC Running count
H  Hit. OTW Otherwise.
Ds DD if able, OTW stand. < Less than.
Double down (DD) ≥ More than or equal to.
Stand >  More than.
Dealer
You 2 3 4 5 6 7 8 9 T A
T,T N N N6 N5 N≥4 N N N N N
A,A                    

Never split tens, unless TC6 on 4, TC5 on 5, TC≥4 on 6.

BJ Lines  Pair of 9s  Pair of As