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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.
; V X& v- n) _: lThat means D is not sure the answer by seeing one white and one black.
) |2 n1 K0 `% D公仔箱論壇C saw B is wearing the white, hence he is wearing the black |
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