first ot all ,celebrate to two group which have 6 in a group; N) b2 l+ V. a, F
and then celebrate again to 3 in a group from which more heavier
8 S" i7 @+ `+ ?+ e* R4 L8 V2 P9 w( ctvb now,tvbnow,bttvblastly, take two ping pongs from the heavier group and put in+ [7 ?( ^. o% O
when there are same quality + R7 G9 k. J" H7 G! w0 k9 E
that's mean the third ping pong is different
b: T! x n+ e* s1 E8 Q" q3 N# Ttvb now,tvbnow,bttvb q3 ?. r/ M) e" A' y- p G
i got it in 1 minute |