The game ends when the first player has discarded his last card.
A player who cannot play in any other way must discard.
The player must then discard a tile, and play continues to the right.
If desired, players can discard all the way down to one card.
Once a player has discarded their last card, they are considered to be out.
That is to say, players must discard to the middle first, and then select their new cards.
Each player then may draw and discard from the eight cards on the table.
Indeed any player may discard their hand in this way.
The player takes an extra piece from the "end" of the wall to make his hand complete and then may discard.
The player does not pick up or discard a card.