Central Hubei Operation
Their lines extended from the southwest of Yuan-an via Ching-men , north of Chung-hsiang , and the foothills of Ta-hung Shan , to the area northwest of Sui Hsien astride both banks of the Hsiang River . 
<triplet> Ching-men <subj> Sui Hsien <obj> shares border with <triplet> Sui Hsien <subj> Ching-men <obj> shares border with