The circuitous way is to cut off the enemy's supplies and outflank the enemy without being discovered by him. Such as the liberation war of the motherland and the pocket war in Jiaodong, Shandong Province. For example, in July, 1947, Shandong Jiaodong Peninsula pocket war. Kuomintang military 12 brigade, about 200,000 people. Lianyungang, Linyi, Zhucheng and Weifang blocked the export of Shandong Peninsula, and then from Weifang to the northeast, Changyi, Pingdu, Yexian and Zhaoyuan joined forces to surround the Eighth Route Army of Shandong Peninsula, forcing about 40,000 troops from the 9th,13rd (now the 27th) and local troops led by our army Xu. The slogan of the Kuomintang is to drive Tuba Road to the North Sea to drink seawater. At this time, there were Kuomintang troops stationed in Qingdao and Yantai.

At this time, our ninth army sneaked into the enemy's rear and headed straight for Sanhe Mountain in Changyi County, where there were the headquarters of the 45th Division of the Kuomintang Army, the logistics supply department and a small number of security forces. Their fighting capacity was very poor, and they were quickly wiped out by the ninth and thirteenth columns of our army. Our army seized a large number of American weapons and ammunition. The Kuomintang failed.

About interpenetration. Is to open a breakthrough, large forces rushed in and then expanded to both sides. The purpose is to prevent the enemy's artillery from exerting its power and carry out melee to destroy the enemy. For example, on May1,14 at 8 pm, there were five general attacks in the second stage of the campaign. Our 7907 unit (8 1 Division of the 27th Army) is a scissors division, and the division commander's company is leading the way. The next day 10, rushed into the enemy's depth 10 kilometers. Behind a large number of brothers, the 20 th Army, the 26 th Army, the 12 Army and the 60 th Army followed closely and interspersed on both sides. South Korean soldiers fighting, the soldiers in the class couldn't find the squad leader, the platoon leader couldn't find the company commander, and the enemy lost command. The good news came that two divisions of the South Korean Army were captured and handed over to the Korean People's Army.