1 weight 6 ping pongs with another 6 ping pongs. see which side is heavier
" b, M8 T) @$ Y; b, Z. X5.39.217.762 spilt the heavier side ping pongs in half and weight against each other
! h3 i0 Q# I/ K; X* qtvb now,tvbnow,bttvb3 weiht either ping pongs one on one then you will know which is the heavy one. |