闰余成岁
31 手
闰余成岁 — "Leap Days Round Out the Year" Problem 135 of 心武残编. Transcribed from http://www.dpxq.com/hldcg/search/view_u_40340.html
31 手
闰余成岁 — "Leap Days Round Out the Year" Problem 135 of 心武残编. Transcribed from http://www.dpxq.com/hldcg/search/view_u_40340.html