This morning while practicing CVBJ I got an error for not hitting 12 vs 6 at -1 (the index says 0). I changed the rules to dealer H17 and the index changed to -3. In BJA3, I18 says the index is -1. Also noticed I18 index for 13 vs 3 is -2. CVBJ is -1 for both H17 and S17. Some clarity please and thanks.

I'm playing 4D, H17,DAS,RA,LS using hi lo