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1#
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" n* ? {4 |" a sThat means D is not sure the answer by seeing one white and one black.
& {# k1 d$ g9 q1 yC saw B is wearing the white, hence he is wearing the black |
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