《宋史·本纪·卷七》
二十五日，封禅社首，像封祀仪礼。
壬子，禅社首，如封祀仪。
On the 25th day, the emperor performed the first ceremony of the Fengchan ritual, similar to the Fengsi ritual.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 二十五日，封禅社首，像封祀仪礼。 [/INST] 壬子，禅社首，如封祀仪。</s>
Convert the following modern Chinese text into Classical Chinese: 二十五日，封禅社首，像封祀仪礼。
user
壬子，禅社首，如封祀仪。
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