1 weight 6 ping pongs with another 6 ping pongs. see which side is heavier2 U# C4 |8 M, o2 q4 z# ?; D
2 spilt the heavier side ping pongs in half and weight against each other
* N- f5 Z I) a" Atvb now,tvbnow,bttvb3 weiht either ping pongs one on one then you will know which is the heavy one. |