Thank you for the kind words. And to answer your question- it means 2 of a kind and 3 of a kind. Or doubles n triples. I borrowed the abriviation from Yatzee, I figured it would be easy to recognize.
Okay, cool! It was probably just my sleep-fogged brain X3
It does make this fragment that much more intriguing. I admit, I'd be curious to see it implemented in a few different games >:-)
