 Complete the following phrase:  In 263, the Wei imperial court ordered Zhong Hui, Deng Ai and Zhuge Xu to lead separate armies to attack and conquer Weis rival state, Shu Han. During and after the campaign against Shu, Zhong Hui framed Zhuge Xu and Deng Ai for cowardice and treason respectively, and seized command of their troops. By the time Shu surrendered to Wei in 263, Zhong Hui was in full control of all the Wei military forces in Shu territory. In 264, with backing from Jiang Wei, a former Shu general, Zhong Hui started 