tieren89

first ot all ,celebrate to two group which have 6 in a group
8 N& I, V$ n/ m8 W, C% r) l& W6 rand then celebrate again to 3 in a group from which more heavier9 x; _& ]# |' N2 D
lastly, take two ping pongs from the heavier group and put in
1 N  p0 y/ l5 Y0 Wwhen there are same quality 5.39.217.774 s3 b% X% W  b8 k5 N) X  q
that's mean the third ping pong is differenttvb now,tvbnow,bttvb( @8 {: }5 |) x- L
9 L0 K9 t' [7 A) Q# g
i got it in 1 minute