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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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 Posted: Fri Apr 20, 2012 5:30 am Post subject: au tough 04/20/12 |
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| Code: |
*-----------*
|3..|..6|...|
|.4.|9..|...|
|..8|...|5.6|
|---+---+---|
|8..|5..|..7|
|..9|.3.|1..|
|6..|..4|..8|
|---+---+---|
|1.5|...|2..|
|...|..9|.3.|
|...|3..|..4|
*-----------*
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Play/Print online |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Apr 20, 2012 4:50 pm Post subject: |
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Note: midway through the puzzle I noticed a cell that had candidates in it, but that should have been solved, so I don't know if it would have affected my solution.
Type 2 UR (68) boxes 79; r2c7, r7c8<>7
Multi-coloring (5). Skyscraper in rows 16; transport 5 from r1c5 to r9c6; r9c8<>5 |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Fri Apr 20, 2012 5:07 pm Post subject: |
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Here is my grid after lc/ls basics. I struggled with this puzzle..and then there it was -- so simple oh the fun of sudoku.
| Code: |
*-----------------------------------------------------------------------------*
| 3 *12579 127 | 12478 *124578 6 | 49 124789 12 |
| 257 4 6 | 9 12578 12578 | 78 1278 3 |
| 27 1279 8 | 1247 1247 3 | 5 12479 6 |
|-------------------------+-------------------------+-------------------------|
| 8 12 34 | 5 69 12 | 349 469 7 |
| 2457 257 9 | 2678 3 278 | 1 2456 25 |
| 6 *1257 1237 | 127 1279 4 | 39 *259 8 |
|-------------------------+-------------------------+-------------------------|
| 1 3 5 | 46 46 78 | 2 78 9 |
| 247 68 247 | 1278 1278-5 9 | 678 3 15 |
| 9 68 27 | 3 *12578 f12578 | 678 *15 4 |
*-----------------------------------------------------------------------------*
finned swordfish (5)r169c258 fr9c6 => r8c5<>5;
stte
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Apr 20, 2012 7:32 pm Post subject: |
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| With the benefit of hindsight and your grid, I see that the Multi-coloring move on 5 was a one-stepper. |
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