Mon, 20 Jul 2026. A Asia railroad-routing puzzle: 3 tickets to connect, par 27 trains.
Tickets: Jinan to Shenyang; Gwangju to Beijing; Tianjin to Nanjing.
Cities on this map: Seoul, Gwangju, Pyongyang, Beijing, Shanghai, Tianjin, Nanjing, Qingdao, Jinan, Shenyang, Dalian, Hefei.
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