Haiyama

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Haiyama 「牌山」 (lit. tile mountain), or yama 「山」 for short, are the walls of tiles arranged at the start of every hand. To begin a hand, the tiles are shuffled, then arranged into walls of 34 tiles: 17 tiles wide, 2 tiles high.

Once the walls are built to their initial position, a dice roll is used to determine the "wall break" at the start of each hand. Players are then dealt 13 tiles each. After the dealer takes their first draw, there will be 83 tiles in the live wall. 14 tiles are used for the dead wall, leaving 69 tiles to draw with.

Automatic tables are capable of performing the wall building with a button. In computerized games, the software will set up the walls automatically. When setting up the game manually, each player is responsible for building their own wall.

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