first ot all ,celebrate to two group which have 6 in a group
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lastly, take two ping pongs from the heavier group and put in公仔箱論壇& \, ^9 b" z U% i! }& p
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that's mean the third ping pong is different3 U0 l( V3 {+ { B" B& e
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i got it in 1 minute |