2. The second kind: Huai Su, calligrapher, from a self-narrative post. Huai Su's cursive script is called "Crazy Grass", which is round and powerful with a pen, making it go round and round, unrestrained and smooth, and in one go. Huai Su cursive script uses seal script, the hidden front turns inward, thin and hard.
3. The third kind: calligrapher Tang Yin, from a collection of fallen petal poems. Tang Yin's calligraphy originated from the integration of Zhao Mengfu.