What is the competition for calligraphy writing?

Suitable for writing seven-character poems. There are 64 calligraphy works suitable for writing seven-character poems in the competition. China's calligraphy is an art of writing Chinese characters with a long history. From Oracle Bone Inscriptions, Shi Guwen, and Jinwen (Zhong Dingwen) to Da Zhuan, Xiao Zhuan and Li Shu, and then to cursive script, regular script and running script in the Eastern Han Dynasty and Wei and Jin Dynasties, calligraphy has always exuded artistic charm.