陶哲軒的網誌有個強版,有數百個跟貼:

來源: 2012-01-19 20:08:54 [舊帖] [給我悄悄話] 本文已被閱讀:

http://terrytao.wordpress.com/2011/04/07/the-blue-eyed-islanders-puzzle-repost/