第474局 保卫一方
13 手
保卫一方 — "Guarding One Region" Problem 474 of 適情雅趣, volume 6 (卷六). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43191.html
13 手
保卫一方 — "Guarding One Region" Problem 474 of 適情雅趣, volume 6 (卷六). Transcribed from http://www.dpxq.com/hldcg/search/view_u_43191.html