I've been looking through the hand histories myself, and I noticed that (besides other strange design choiches) the holecards are written in an internal format; I wrote down the corrispondences, I know it's not official but I'm 100% sure this is correct. I hope it helps:
Code:
Ac 6567 Ah 6572 Ad 6568 As 6583
2c 5067 2h 5072 2d 5068 2s 5083
3c 5167 3h 5172 3d 5168 3s 5183
4c 5267 4h 5272 4d 5268 4s 5283
5c 5367 5h 5372 5d 5368 5s 5383
6c 5467 6h 5472 6d 5468 6s 5483
7c 5567 7h 5572 7d 5568 7s 5583
8c 5667 8h 5672 8d 5668 8s 5683
9c 5767 9h 5772 9d 5768 9s 5783
Tc 8467 Th 8472 Td 8468 Ts 8483
Jc 7467 Jh 7472 Jd 7468 Js 7483
Qc 8167 Qh 8172 Qd 8168 Qs 8183
Kc 7567 Kh 7572 Kd 7568 Ks 7583