first ot all ,celebrate to two group which have 6 in a group
( I1 c* r) V: f+ t9 z% Wand then celebrate again to 3 in a group from which more heavier
) P8 ?$ z6 H) Q$ _4 N2 otvb now,tvbnow,bttvblastly, take two ping pongs from the heavier group and put in
. z: c* U2 r% H7 m; \when there are same quality % l: |; F3 l7 c5 i( z* n" T) K. x
that's mean the third ping pong is different
( r/ [* r% `% u# Stvb now,tvbnow,bttvbtvb now,tvbnow,bttvb' ]" a* \% ^# d9 b4 W
i got it in 1 minute |