Search the number of words in a poem according to the number of rows and columns in the grid. Of course, it would be best if you could write it yourself. And it doesn't have to be full. It needs some blank squares to sign and stamp.
Let's take the 7× 10 vertical version as an example. You can choose Fan Zhongyan's Su Mu Rewriting Tian Yun, with 62 words and 8 spaces. You don't have to stick to the grid.