第198局 一矢双雕
21 手
一矢双雕 — "Two Eagles with One Arrow" Problem 198 of 渊深海阔. Transcribed from http://www.dpxq.com/hldcg/search/view_u_293700.html
21 手
一矢双雕 — "Two Eagles with One Arrow" Problem 198 of 渊深海阔. Transcribed from http://www.dpxq.com/hldcg/search/view_u_293700.html