How many silk books are there in Mawangdui Han Tomb? What is the writing standard of silk?

There are 28 kinds of silk scripts in Mawangdui Han Tomb,1.2000 words, which are seriously damaged. Generally, silk books are spread horizontally from the right end. Some first draw the upper and lower columns with ink or cinnabar, and then draw straight squares with cinnabar, which is a "cinnabar column" for later generations.