SudokuCup5(13) - 數獨
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By Iris
at 2011-02-25T22:40
at 2011-02-25T22:40
Table of Contents
※ 引述《shakebiscuit (莎士比斯吉)》之銘言:
: ※ 引述《chyrliin (企鵝靈)》之銘言:
: ┌───┬───┬───┐
: │ │ │ │
: │ │153│42 │
: │ │6 │ │
: ├───┼───┼───┤
: │ │7 │ │
: │ │832│9 │
: │ │ │ 1 │
: ├───┼───┼───┤
: │ │ │ 9 │
: │ │5 │ 4 │
: │ │ 28│5 │
: └───┴───┴───┘
: 對稱奇偶數獨
: 將1至9填入空格,使得每行、列及粗線框九宮格之數字不重複。
: 所有偶數所填的位置,依對角線呈對稱關係。
請問是不是不只一組解啊?
下面這個奇偶性都決定好了,用程式檢查也發現不只一組解。
另外注意 4 跟 6 出現在兩個對角,所以只是奇偶性對稱吧?請問
我有哪裡理解錯了嗎?總覺得應該只有一組解。以下是能消都消掉
後的圖:
.----------------.------------.--------------.
| 39 4 135 | 2 8 79 | 17 35 6 |
| 8 6 7 | 1 5 3 | 4 2 9 |
| 1359 135 2 | 6 79 4 | 137 8 357 |
:----------------+------------+--------------:
| 2 9 48 | 7 46 1 | 68 35 35 |
| 6 15 15 | 8 3 2 | 9 7 4 |
| 37 37 48 | 9 46 5 | 268 1 28 |
:----------------+------------+--------------:
| 135 28 135 | 4 17 6 | 28 9 137 |
| 137 28 6 | 5 179 79 | 37 4 28 |
| 4 17 9 | 3 2 8 | 5 6 17 |
'----------------'------------'--------------'
--
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數獨
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By Zenobia
at 2011-02-26T19:06
at 2011-02-26T19:06
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By Zora
at 2011-02-27T10:13
at 2011-02-27T10:13
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By Bennie
at 2011-02-27T20:43
at 2011-02-27T20:43
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