iao Hua also received secret orders。
The armies marched rapidly。 Not long after starting； two other detachments led by Hu Ban and Wu Yi received secret orders and left the main body。
The doubts about the ing of the Shu army made Cao Zhen careless； and he allowed his soldiers to bee slack and rest。 He only thought of getting through the allotted ten days； when he would have the laugh against his colleague。
Seven of the days had passed； when a scout reported a few odd men of Shu in the valley。 Cao Zhen sent Qin Liang with five thousand troops to reconnoiter and keep them at a distance。
Qin Liang he led his troops to the entrance of the valley。 As soon as he arrived； the enemy retired。 Qin Liang went after them； but they had disappeared。 He was perplexed and puzzled； and while trying to decide； he told the troops to dismount and rest。
But almost immediately he heard a shout； and ambushing troops appeared in front of him。 He jumped on