Colleague mahjong activities enrich workplace entertainment. ...

Mixed suit hands contain two or three different suit tiles. ...

Multiple winning tiles greatly improve winning probability. ...

Robbing a kong to win is a special rare winning method. ...

Improper use causes negative social impacts. ...

Integrate all discards to deduce tile remaining probability. ...

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Tile order, discard sequence and pause time are all useful clues. ...

Single-style gameplay is easy to be targeted by opponents. ...

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