1 weight 6 ping pongs with another 6 ping pongs. see which side is heaviertvb now,tvbnow,bttvb8 C9 D8 L$ z- P1 j5 A, j# ^
2 spilt the heavier side ping pongs in half and weight against each other+ \0 J7 |% X7 N" [
3 weiht either ping pongs one on one then you will know which is the heavy one. |