三星图
14 手
三星图 — "Picture of the Three Stars" Problem 4 of 湖涯集. Transcribed from http://www.dpxq.com/hldcg/search/view_u_39555.html
14 手
三星图 — "Picture of the Three Stars" Problem 4 of 湖涯集. Transcribed from http://www.dpxq.com/hldcg/search/view_u_39555.html