017天山三箭
7 手
天山三箭 — "Three Arrows at Tianshan" Problem 17 of 梦入神机. Transcribed from http://www.dpxq.com/hldcg/search/view_u_41961.html
7 手
天山三箭 — "Three Arrows at Tianshan" Problem 17 of 梦入神机. Transcribed from http://www.dpxq.com/hldcg/search/view_u_41961.html