How many mysterious monks are there in Shaolin Temple?

Xuan Ci, the abbot of Shaolin Temple, committed suicide with Ye Erniang. Xuan was sad and was later killed by Murong Bo; Xuannan, the first Dharma Institute, was later poisoned by Ding Chunqiu's conspiracy; Xiao Feng's teacher Xuan Ku was later electrocuted by Xiao Yuanshan; Xuan Ji, the first person in the Discipline Academy, once joined forces with Xuan Ci and Xuannan to fight against Xiao Feng, and was succeeded by Xuanci as Shaolin abbot. On one occasion, Du Xuan and Jiu Ji "snapped their fingers".