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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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 Posted: Sat Feb 02, 2008 2:11 am Post subject: competition #936 |
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| Code: | . 4 . | 1 . 5 | . 7 6
6 . 2 | . 8 . | . . .
. . . | . . . | 2 . .
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1 . . | 3 . 9 | 7 . .
. . . | . . . | . . .
. . 6 | 4 . 1 | . . 5
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. . 4 | . . . | . . .
. . . | . 3 . | 5 . 2
9 6 . | 5 . 2 | . 1 .
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http://www.sudoku.org.uk/DailySudoku.asp?day=01/02/2008 |
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Johan
Joined: 25 Jun 2007
Posts: 206
Location: Bornem Belgium
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| Posted: Sun Feb 03, 2008 12:24 am Post subject: |
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An ER in Box 6 for digit <9>, takes out <9> in R5C3, was the final step for me.
* = strong link on <9> in R1.
| Code: | +--------------------------+--------------------------+--------------------------+
| 38 4 *89 | 1 2 5 |*39 7 6 |
| 6 59 2 | 7 8 3 | 4 59 1 |
| 357 1357 157 | 6 9 4 | 2 35 8 |
+--------------------------+--------------------------+--------------------------+
| 1 258 58 | 3 6 9 | 7 er 28 er 4 |
| 4 379 7-[9] | 2 5 8 | 1 eri 6 39 |
| 238 2389 6 | 4 7 1 | 39 er 28 er 5 |
+--------------------------+--------------------------+--------------------------+
| 25 25 4 | 8 1 7 | 6 39 39 |
| 78 178 178 | 9 3 6 | 5 4 2 |
| 9 6 3 | 5 4 2 | 8 1 7 |
+--------------------------+--------------------------+--------------------------+ |
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