Who is the best of the three couplets written by three official calligraphers?

@ Fengzi: I sent three couplets. Obviously, the roots of these three works should all come from Cao Quan, no problem. Let's start with which one is a-class. Which is the best? Which one is C? Why?

In fact, it is as important as learning calligraphy well: you can tell what is really good calligraphy. Everyone is eager to express their views! When you say your answer, you'd better simply say the reason!

Waiting for the comments of book lovers, finally I will announce the answer and make a summary.

1, Weng Fanggang's seven-character couplet in official script

Weng Fanggang (1733- 18 18) was a calligrapher, writer and epitaph in Qing Dynasty. The word Zheng San, nicknamed Su Zhai, was born in Daxing, Zhili (now Beijing). Officials of the Cabinet University. Good at appreciation, there are many famous inscriptions. Learn from Ou Yangxun and Yu Shinan and obey the law. He can write official script, and is as famous as Liu Yong, Liang and his contemporaries, and is called "Weng Liu". There are also people who are called "Weng Liu Chengtie" with Liu Yong and Cheng Taizi Yong.

2. Yao Lishu's seven-character couplet

Yao (1773- 1852), whose name is Bo Ang, whose name is Jian Qing, whose name is Zhu Sheng, whose name is Wu Buweng, was introduced by Lin Xinyong according to the History of Painting in Past Dynasties. Tongcheng, Anhui. In the tenth year of Jiaqing (1805), he was a scholar, and the official was the suggestion. The refined transfer method is slightly different from your government, and it was also built by Cao Quan. Delicate brushwork. Especially good at sketch.

3. Hu Lishu's seven-character couplet