所书“云深”，无疑出自陆游《夜闻秋风感怀》：“残角声催关月堕，断鸿影隔塞云深”。
O O O B-Thing I-Thing O O O O O O B-Person I-Person O O O B-Thing I-Thing O O O O O B-Thing I-Thing I-Thing O B-Thing I-Thing O O B-Thing I-Thing I-Thing O B-Thing I-Thing O O O