Simplified rules lower the threshold for new learners.
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Priority should be given to completing valid melds.
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Let mahjong serve public cultural life better.
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A kong is formed by four identical tiles of the same type.
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Top-ranked players have comprehensive and stable abilities.
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Continuous learning and summary makes players progress.
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Opponents can guess your hand changes through your speed.
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Blind practice leads to irregular gaming habits.
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Wind rotation changes the attribute of each round.
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Excessive teasing and misleading are bad gaming behaviors.
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