first ot all ,celebrate to two group which have 6 in a group( Y& |( J3 S% _# ~# l5 K
and then celebrate again to 3 in a group from which more heavier
: ]2 d0 S& A3 T, y; R! M+ b+ w; ftvb now,tvbnow,bttvblastly, take two ping pongs from the heavier group and put in5.39.217.771 h! K0 C |- B$ s. t1 l
when there are same quality
1 f. L- |3 e0 K5.39.217.77that's mean the third ping pong is differenttvb now,tvbnow,bttvb- i, {9 Z$ w) l8 H5 D
) U5 G' q0 d. \/ Y; s; o6 |i got it in 1 minute |