Whose calligraphy ranks best?

Contemporary calligraphers are ranked in no particular order: Qi Gong, Liu Bingsen, Sha Menghai, Wang Xiaju, Pu Jie, Jiang Zhi, Shen Peng, Li Duo, Ouyang Zhongshi, Zhou Guangfu, Xia Xiangping, Quan Xijun, Liu Yi, Tong Wei, Lin Fan, Zhong Mingshan, Zhang Biao, Zhang Shufan, Lin Xiu, Zhou Huijun, Zhang Ruiling, Mi Nanyang and Pang Zhonghua. Zhang Xu, Hong Houtian, Wang Houxiang, Liu Junjing, Yang Guangxin, Yang Mingchen, Long Kaisheng, Shen Yidan, Chen Zhanhua, Su Shi, Peng Liming, Mo Xilong, Wang Xiangzhi, Zhang Rongqing, Xiong Boqi, Zeng Xiang, Zhang Hai, Chen Hongwu, Duan Chenggui, Song Huaping, Shen Wansheng, Xu Yu, Li Gangtian, Bai Xu, Zhang Hu.