Look I found a proof.

本帖于 2026-02-12 04:05:44 时间, 由普通用户 海洋蓝 编辑
回答: Beethoven is everywhere小溪之水2026-02-12 03:58:06

Actually I have developed a proof.

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Frozen in time, great time -Giantfan- 给 Giantfan 发送悄悄话 (0 bytes) () 02/12/2026 postreply 04:28:34

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