What is the name of two poems taking care of each other?

These two poems are closely related and echo each other. Generally speaking, it is neat. The number of sentences and words are the same, and some sentences are repeated; Some sentences have been supplemented by words, forming the characteristics of repetition, neatness and no lack of changes, which embodies the poetic theory of Crescent School "legislating for new poetry" and pursuing the beauty of music and architecture. The questions of the two poems are echoed from beginning to end, highlighting that coming and going is so chic and open-minded. [Interpretation] Pay attention to the artistic form and content of the first and last two paragraphs of the poem. In terms of artistic form, firstly, the arrangement of lines pays attention to architectural beauty, and secondly, the poem pays attention to the beauty of internal syllables and rhythm. In terms of poetry content, we should talk about the meaning and artistic conception of poetry.