1 weight 6 ping pongs with another 6 ping pongs. see which side is heavier
+ t' D' N6 z2 z+ g ^6 F; q% Vtvb now,tvbnow,bttvb2 spilt the heavier side ping pongs in half and weight against each othertvb now,tvbnow,bttvb& G [6 L5 I# g: v% Z0 {
3 weiht either ping pongs one on one then you will know which is the heavy one. |