Practice defensive skills when you always feed opponents.
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A kong is formed by four identical tiles of the same type.
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Colleague mahjong activities enrich workplace entertainment.
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Probability judgment helps choose optimal discard tiles.
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The joy of communication and interaction is far more important than scores.
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Many players prefer conservative strategies in the late game.
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Mechanical gameplay is easy to be seen through by opponents.
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Accept victory and defeat calmly in every game.
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Players should keep quiet and polite during the game.
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Mahjong entertainment needs strict time management.
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