These two paragraphs are usually used when giving calligraphy works to others. The first paragraph indicates the name, source and recipient name of the content of the work. The next paragraph describes the date, place and author's name of creation. The preceding paragraph: the position should be higher to show respect, including name, title and modesty. Next paragraph: Write the time, place, name and modesty. If there is a previous paragraph but there is no previous paragraph, it is called a single paragraph, which may or may not contain the contents of the previous paragraph. If there is no book gift object, it is usually just a single payment.

As for what you said, this situation is also possible. The previous paragraph can be written as follows: Lanting Preface near Wang Xizhi; Next paragraph: Ding Younian, date, date and place will do. The last paragraph is near, so don't use books or write the next paragraph! If you create a work, then the last paragraph only records someone's content, then the next paragraph can use someone's book!