Thanks.O-鈍，R-直，A-銳。第二問我得到七種。第三問12種我還沒來得及想呢！能夠證明這是完全無遺漏的嗎？

來源: 皆兄弟也於 2010-10-17 17:37:53 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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