Su Dingfang
In 658 the seat was moved back to Qiuci after Su Dingfang defeated the Western Turkic Khaganate. Its title was changed to "Grand Protectorate" and granted governorship of former Western Turkic territories, which were further separated into the Mengchi and Kunling protectorates. In 660 the Tibetan Empire and their Turkic allies attacked Shule. The Tibetan Empire also attacked Wakhan to the protectorate's southwest. When the Tang general boasted of the size of his army, Gar Tongtsen Yulsung's son responded in the following manner: