问题 12:
PartyPoker $50 NL Hold'em (short-handed)
Stacks & Stats
UTG ($50)
MP ($50)
CO ($50) (40/5/1/5/0/0/35/25/20/38) [VPIP/PFR/AF/crFlop/Turn/River/ftcbetFlop/Turn/River/WTS]
Hero ($50)
SB ($50)
BB ($50)
Preflop: Hero is BU with 

2 folds, CO calls $0.50, Hero raises $2.50, 2 folds, CO calls $2.50
Flop: ($5.75) 

(2 players)
CO checks, Hero bets $4.30, CO calls $4.30
Turn: ($14.35)
(2 players)
CO checks, Hero bets $10.75, CO calls $10.75
River: ($35.85)
(2 players)
CO checks, Hero bets $12.00, CO raises all-in, Hero…?