1 weight 6 ping pongs with another 6 ping pongs. see which side is heavier* ~, k# Z$ w) ~: B) ] b- j
2 spilt the heavier side ping pongs in half and weight against each other
1 v3 A ]1 k" ltvb now,tvbnow,bttvb3 weiht either ping pongs one on one then you will know which is the heavy one. |