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發表於 2013-2-10 10:53 PM
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C knows the answer by deducing D is not yelling out the answer.
# l. w5 Z7 f+ M" V0 g公仔箱論壇That means D is not sure the answer by seeing one white and one black.5.39.217.76 I! i* l4 j4 o4 ]
C saw B is wearing the white, hence he is wearing the black |
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