〔R48〕  My head and tail equal are,

                 My middle slender as a bee.

                 Whether I stand on head or heel

                 Is quite the same to you or me.

〔譯註〕 我的頭和尾都相等，

我的中間細得像蜜蜂，

不管我站在頭上或腳跟上，

對你對我完全都一樣。

〔提問〕 If I am a number, what figure (數字) is it?

〔謎底〕 _