五子奪魁
20 手
五子夺魁 — "Five Sons Take First Place" Problem 10 of 湖涯集. Transcribed from http://www.dpxq.com/hldcg/search/view_u_39561.html
20 手
五子夺魁 — "Five Sons Take First Place" Problem 10 of 湖涯集. Transcribed from http://www.dpxq.com/hldcg/search/view_u_39561.html