《汉书·志·地理志上》
新垩毖，蔓工堡从基迁到遣裹，二代后迁到王蔡。
新蔡，蔡平侯自蔡徙此，后二世徙下蔡。
Xinchudi, Managpu moved from Ji to Yanli, and moved to Wangcai after two generations.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 新蔡，蔡平侯自蔡徙此，后二世徙下蔡。 [/INST] Xinchudi, Managpu moved from Ji to Yanli, and moved to Wangcai after two generations.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 新蔡，蔡平侯自蔡徙此，后二世徙下蔡。
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Xinchudi, Managpu moved from Ji to Yanli, and moved to Wangcai after two generations.
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