first ot all ,celebrate to two group which have 6 in a group
5 ^+ X n r# z: s6 j6 q% z: g公仔箱論壇and then celebrate again to 3 in a group from which more heavier
6 _0 W; F! f \- o4 alastly, take two ping pongs from the heavier group and put in
/ o A8 ]. m- F7 Owhen there are same quality
) b( d, J9 Z- M h% xthat's mean the third ping pong is different
: X3 w4 ?2 g0 O0 C9 {) J R4 k
8 t& `& g1 l, g! s) C, Ni got it in 1 minute |