first ot all ,celebrate to two group which have 6 in a group9 E% [; {3 r/ B; _
and then celebrate again to 3 in a group from which more heavier
, I# Y5 t8 `( h' f公仔箱論壇lastly, take two ping pongs from the heavier group and put in& n* T) S' Q1 j7 c1 B7 ]
when there are same quality tvb now,tvbnow,bttvb9 `+ ]( F6 H8 i: `6 o1 N
that's mean the third ping pong is different
% |- P2 s$ N- A# B4 Q9 B& ftvb now,tvbnow,bttvb
1 Z5 d6 e; [* T3 G) {# Q9 @/ R3 Y公仔箱論壇i got it in 1 minute |