at a glance, this problem looks too easy to be worth your bother. but on second look, it's clearly impossible. eventually you have an epiphany and it looks easy again. and then... well, you'll see.
Author adum Created 2003-07-02
Difficulty 7 dan (history) Source GZP middle 308
AVG solve time 75 sec Stars 4.69  (16 votes)
User attempts 185 / 2443 Collections GuanZiPu, Xuan Xuan Qijing
Genre life and death Your attempts N/A
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Created 2003-07-02
Source GZP middle 308
Stars 4.69  (16 votes)
Collections GuanZiPu, Xuan Xuan Qijing
Your attempts N/A