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Clement
Joined: 24 Apr 2006 Posts: 1111 Location: Dar es Salaam Tanzania
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Posted: Fri Sep 13, 2013 12:12 pm Post subject: Free Press September 13, 2013 |
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For Warm Up Code: |
+-------+-------+-------+
| . 8 . | . . . | . . . |
| . . . | 7 6 9 | . . . |
| . 6 . | 3 4 . | 7 1 . |
+-------+-------+-------+
| 6 . . | . 7 . | 8 . 2 |
| . 7 . | . . . | . 9 . |
| 4 . 9 | . 3 . | . . 1 |
+-------+-------+-------+
| . 1 7 | . 9 5 | . 2 . |
| . . . | . 2 3 | . . . |
| . . . | . . . | . 4 . |
+-------+-------+-------+
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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: Fri Sep 13, 2013 12:47 pm Post subject: |
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Code: | *-----------------------------------------------------------*
| 7 8 34 | 25 15 12 | 349 6 349 |
| 1 34 5 | 7 6 9 | 2 38 348 |
| 9 6 2 | 3 4 8 | 7 1 5 |
|-------------------+-------------------+-------------------|
| 6 35 1 | 9 7 4 | 8 35 2 |
| 23 7 8 | 25 15 126 | 346 9 346 |
| 4 c25 9 | 8 3 26 |b56 7 1 |
|-------------------+-------------------+-------------------|
| 38 1 7 | 4 9 5 | 36 2 368 |
| 58 49 46 | 16 2 3 | 19 58 7 |
|e23-5 d239 36 | 16 8 7 |a1359 4 39 |
*-----------------------------------------------------------*
s-wing
5r9c7=r6c7-(5=2)r6c2-r9c2=2r9c1 => -5r9c1; ste |
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Clement
Joined: 24 Apr 2006 Posts: 1111 Location: Dar es Salaam Tanzania
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Posted: Fri Sep 13, 2013 5:16 pm Post subject: Free Press Free Press 13, 2013 |
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Code: |
+-------------+-----------+-------------+
| 7 8 34 | 25 15 12 | 349 6 349 |
| 1 34 5 | 7 6 9 | 2 38 348 |
| 9 6 2 | 3 4 8 | 7 1 5 |
+-------------+-----------+-------------+
| 6 35 1 | 9 7 4 | 8 35 2 |
| d23 7 8 | 25 15 126 | 346 9 346 |
| 4 c25 9 | 8 3 26 | b56 7 1 |
+-------------+-----------+-------------+
| 8-3 1 7 | 4 9 5 | a36 2 368 |
| 58 49 46 | 16 2 3 | 19 58 7 |
| 235 2359 36 | 16 8 7 | 1359 4 39 |
+-------------+-----------+-------------+
| XY-Chain
(3=6)r7c7-(6=5)r6c7-(5=2)r6c2-(2=3)r5c1 => -3r7c1; stte. |
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Marty R.
Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
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Posted: Sat Sep 14, 2013 1:14 am Post subject: |
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Same elimination as Clement, but I saw it as an XY-Wing (56-3), pivoted in r6c7, with a transport of 3 from r4c8 to r5c1 via r4c2=>r7c1<>3. |
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keith
Joined: 19 Sep 2005 Posts: 3355 Location: near Detroit, Michigan, USA
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Posted: Sat Sep 14, 2013 11:42 pm Post subject: |
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Code: | +----------------+----------------+----------------+
| 7 8 34 | 25 15 12 | 349 6 349 |
| 1 34 5 | 7 6 9 | 2 38 348 |
| 9 6 2 | 3 4 8 | 7 1 5 |
+----------------+----------------+----------------+
| 6 35 1 | 9 7 4 | 8 35 2 |
| 23 7 8 | 25 15 126 | 346 9 346 |
| 4 25 9 | 8 3 26 | 56 7 1 |
+----------------+----------------+----------------+
| 38 1 7 | 4 9 5 | 36 2 368 |
| 58 49 46 | 16 2 3 | 19 58 7 |
| 235 239 36 | 16 8 7 | 1359 4 39 |
+----------------+----------------+----------------+ |
DP R15 25 15 12: R5C6=6.
Keith |
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arkietech
Joined: 31 Jul 2008 Posts: 1834 Location: Northwest Arkansas USA
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Posted: Sun Sep 15, 2013 2:45 am Post subject: |
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keith wrote: | DP R15 25 15 12: R5C6=6. |
Very Nice!
An elephant in the room and I missed it |
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Marty R.
Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
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Posted: Sun Sep 15, 2013 3:57 am Post subject: |
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arkietech wrote: | keith wrote: | DP R15 25 15 12: R5C6=6. |
Very Nice!
An elephant in the room and I missed it |
We all missed it and Keith knows it which is probably why he put that ----eating grin in his post. |
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keith
Joined: 19 Sep 2005 Posts: 3355 Location: near Detroit, Michigan, USA
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Posted: Sun Sep 15, 2013 6:24 am Post subject: |
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Blindingly obvious, isn't it?
I screwed around for a while before seeing it.
I really do miss the discussions we used to have on many notable and quirky puzzles like this.
Keith |
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