The players have got a conclusion either spot their bets on a number, or even perhaps a range of numbers, or red or black, it's also possible to bet on whether the number is odd or including.
The seller will give two cards, one is faced up and one other one is faced across. https://taigamepc.com/giai-tri/game-bai-rikvip-trai-nghiem-va-cam-nhan-cua-mot-game-thu-lau-nam/29