Thirteen!
　　A guy is walking past a big wooden fence at the insane asylum¹ and he hears all the residents inside chanting, "Thirteen! Thirteen! Thirteen!"
　　Quite curious about this, he finds a hole in the fence, and looks in. Someone inside pokes² him in the eye.
　　Then everyone inside the asylum starts chanting, "Fourteen! Fourteen! Fourteen!"

十三
　　一个人在精神病院的木围墙外路过，听见里面所有的人在唱,"十三! 十三! 十三!"
　　他很好奇，就找到围墙的一个洞, 然后看进去。突然有个人捅到了他的眼睛。
　　然后里面所有人开始唱,"十四! 十四! 十四!"