Hand format is a comma separated list of 5 cards where:
- each card consists of 2 characters: one for the card's rank, one for its suit (case insensitive)
- ranks:
'A', '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K' - suits:
'S', 'H', 'C', 'D' - the 5th card is the cut card
For example 5D,5C,5H,JS,5S is this hand:
