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Yuan Shao reorganized his forces and sent Liu Bei with an army to support the rebellions against Cao Cao in Yinjiang (㶏疆; southwest of present-day Xuchang), just 20 "li" south of the capital. Although Cao Cao was concerned about such developments in his rear, his cousin Cao Ren observed that Liu Bei could not have too much control over his new men given by Yuan Shao. So Cao Cao sent Cao Ren to deal with the rebellion. Cao Ren succeeded, killing the rebel leader Liu Pi and routing Liu Bei. Yuan Shao also tried to cut off Cao Cao from the west by sending Han Meng () southwest. Cao Ren again responded to the threat by defeating Han Meng at Mount Jiluo (雞洛山; 50 "li" northeast of present-day Xinmi, Henan). Yuan Shao did not send any detached force into Cao Cao's territory after this.