The name means "collecting tens" and it is credited as being the ancestor of Mah Jong.
It is like a Rummy game played with Chinese dominoes instead of cards, and pairs instead of triple or quadruple combinations.

The game begins with each player putting an ante into the pot.

The Deal
The games uses several sets of dominoes, depending on the number of players.
The tiles are first arranged in a woodpile, five tiles high. The third stack from the end has one tile
removed and placed, still face down, at the other end of the woodpile. From that point backward,
the top tile of alternating stacks are removed and added to the end of the woodpile. The result is a
saw-toothed wall of stacks that are five, five, four, five, four, five, etc. tiles high.

Throw dice to decide the first player, who then takes the first two stacks as a hand of ten tiles.
The other players are then dealt two stacks to give each of them a hand of nine tiles.

The Play
The goal is to complete your hand. A complete hand has:

One pair of identical tiles, from either the civil or military series.
Four pairs of tiles, each pair having a total of ten or twenty pips.