1 weight 6 ping pongs with another 6 ping pongs. see which side is heavier
8 L% F: K5 V; G- B& s: E+ Itvb now,tvbnow,bttvb2 spilt the heavier side ping pongs in half and weight against each other
# C" {6 z4 }3 v) ptvb now,tvbnow,bttvb3 weiht either ping pongs one on one then you will know which is the heavy one. |