How to write 32-character calligraphy paper

32-grid calligraphy paper can be written like this, and 32-grid calligraphy paper is suitable for writing seven-character quatrains. We usually use vertical type with eight words in each column. For example, in the Tang Dynasty, Du Fu's

The silk tube in Jincheng has been in full swing, half in the river and half in the clouds. This song should only be in the sky, and the world can hear it back. Write from right to left. The last column of the twenty-eight words in the text has a signature under the four words.