《宋史·志·卷三》
陶隐居说： 左角天津，右角天门，中为天关。 
陶隐居曰： 左角天津，右角天门，中为天关。 
Tao Yinjia said: The left horn is Tianshu, the right horn is Tianmen, and the middle is Tianguan.
<s>[INST] Convert the following English text into Classical Chinese: Tao Yinjia said: The left horn is Tianshu, the right horn is Tianmen, and the middle is Tianguan. [/INST] 陶隐居曰： 左角天津，右角天门，中为天关。 </s>
Convert the following English text into Classical Chinese: Tao Yinjia said: The left horn is Tianshu, the right horn is Tianmen, and the middle is Tianguan.
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陶隐居曰： 左角天津，右角天门，中为天关。
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