Dominoes All Sevens Game

In the game of Dominoes All Sevens, players try to match all the winning ends of the layout on their turn, so that adjacent ends make a total of seven. 0-0 is removed from the game, and each player receives a certain number of chips (7 chips for each of two players, 6 chips for 3 players, and 5 chips for 4 players) at the beginning of each round The remaining tiles are set aside to form a skeleton.