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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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 Posted: Thu Jul 09, 2009 1:48 am Post subject: July 9 VH |
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A number of paths appear, but this one is as a direct route.
A Solution: Coloring in (4) eliminates the 4 in R1C4 and solves the puzzle.
Early Earl |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Jul 09, 2009 4:34 am Post subject: |
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| Basically the same, but I used Remote Pairs (46). |
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crunched
Joined: 05 Feb 2008
Posts: 168
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| Posted: Thu Jul 09, 2009 5:27 am Post subject: Re: July 9 VH |
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| Earl wrote: | A number of paths appear, but this one is as a direct route.
A Solution: Coloring in (4) eliminates the 4 in R1C4 and solves the puzzle.
Early Earl |
Below the grid after (all?) basics.
An xy wing did it for me.
| Code: |
+---------------+-------------+--------+
| 23468 46 2468 | 47 57 458 | 9 1 23 |
| 2348 9 248 | 1 48 6 | 5 7 23 |
| 7 1 5 | 3 2 9 | 6 4 8 |
+---------------+-------------+--------+
| 1 2 89 | 5 89 3 | 7 6 4 |
| 4689 46 3 | 4679 67 48 | 2 5 1 |
| 5 7 46 | 46 1 2 | 3 8 9 |
+---------------+-------------+--------+
| 69 8 7 | 69 3 1 | 4 2 5 |
| 249 5 249 | 8 49 7 | 1 3 6 |
| 46 3 1 | 2 56 45 | 8 9 7 |
+---------------+-------------+--------+
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Play this puzzle online at the Daily Sudoku site |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Thu Jul 09, 2009 1:03 pm Post subject: |
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| A kite on 4 did it for me |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Thu Jul 09, 2009 2:11 pm Post subject: |
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| An ER using C2 and Box 5 also eliminates the <4> in R1C4. |
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gindaani
Joined: 06 Mar 2009
Posts: 79
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| Posted: Thu Jul 09, 2009 10:12 pm Post subject: |
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| All I needed was the trusty xy-wing (894). |
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swando
Joined: 09 Mar 2009
Posts: 22
Location: Surrey, BC. Canada
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| Posted: Sun Jul 12, 2009 7:01 am Post subject: |
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| Been away and when I came back I hoped to have a tough challenge.. This one should be in the medium variety. Basic elimation of the 9 did it for me |
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