考考二刀的水平。白棋先走，殺掉黑棋左上角的手筋在那裏？

來源: 沒離開過於 2016-03-16 22:45:13 [舊帖] [給我悄悄話] 本文已被閱讀：次

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考考二刀的水平。 白棋先走， 殺掉黑棋左上角的手筋在那裏？