Why does the Heart Sutra of Dunhuang suicide note appear irregularly?

Because this is the recognition of the calligraphy of the scriptures written by the students who copied the scriptures in the Tang Dynasty, it can be seen that the books in the Tang Dynasty are mature. Due to the inconvenience of reading scroll classics, the library that originally stored scroll classics was vacated for storage. Read along the dotted line in turn. Finally, at the end of Heart Sutra, Guanyin Bodhisattva collected "Baohe" under her right foot.