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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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 Posted: Sun Dec 14, 2008 6:00 am Post subject: 12/14 competition |
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| Code: |
+-------+-------+-------+
| . . 2 | . . 3 | 7 . . |
| . . . | . 4 . | . . 1 |
| 4 3 . | 9 . . | . . . |
+-------+-------+-------+
| 3 . . | . . 2 | . . 7 |
| . . . | . . 1 | . . . |
| 5 . . | 4 . . | . . 6 |
+-------+-------+-------+
| 6 . . | 3 . . | . 5 2 |
| 2 . . | . 6 . | . . . |
| . . 5 | 1 . . | 9 . . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site
uhh, I haven't found anything nice. yet ! |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Sun Dec 14, 2008 7:18 am Post subject: |
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There are one-stepper chains present, but I prefer this unproductive UR because I found it manually.
| Code: | UR3 (14) [r47c23] => [r5c2]<>8, [r6c3]<>9
+--------------------------------------------------------------+
| 1 6 2 | 5 8 3 | 7 4 9 |
| 789 5 789 | 2 4 67 | 36 38 1 |
| 4 3 78 | 9 1 67 | 256 28 58 |
|--------------------+--------------------+--------------------|
| 3 148 1489 | 6 59 2 | 45 189 7 |
| 89 24-8 6 | 7 359 1 | 2345 2389 58 |
| 5 127 17-9 | 4 39 8 | 23 1239 6 |
|--------------------+--------------------+--------------------|
| 6 14 14 | 3 7 9 | 8 5 2 |
| 2 9 3 | 8 6 5 | 1 7 4 |
| 78 78 5 | 1 2 4 | 9 6 3 |
+--------------------------------------------------------------+
# 47 eliminations remain
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sun Dec 14, 2008 8:22 am Post subject: |
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| daj95376 wrote: | There are one-stepper chains present, but I prefer this unproductive UR because I found it manually.
| Code: | UR3 (14) [r47c23] => [r5c2]<>8, [r6c3]<>9
+--------------------------------------------------------------+
| 1 6 2 | 5 8 3 | 7 4 9 |
| 789 5 789 | 2 4 67 | 36 38 1 |
| 4 3 78 | 9 1 67 | 256 28 58 |
|--------------------+--------------------+--------------------|
| 3 148 1489 | 6 59 2 | 45 189 7 |
| 89 24-8 6 | 7 359 1 | 2345 2389 58 |
| 5 127 17-9 | 4 39 8 | 23 1239 6 |
|--------------------+--------------------+--------------------|
| 6 14 14 | 3 7 9 | 8 5 2 |
| 2 9 3 | 8 6 5 | 1 7 4 |
| 78 78 5 | 1 2 4 | 9 6 3 |
+--------------------------------------------------------------+
# 47 eliminations remain
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very nice!
I see it this way.
(8)r5c2 - (8=9)r5c1 - 14URr47c23[(9)r4c3 = (8)r4c23] - (8)r5c2; r5c2 <> 8
(9)r6c3 - (9=8)r5c1 - 14URr47c23[(8)r4c23 = (9)r4c3] - (9)r6c3; r6c3 <> 9
| Quote: | | There are one-stepper chains present |
| Quote: | mine is...
(2=3)r6c7 - (3=6)r2c7 - (6=7)r2c6 - (7)r3c6 = (7)r3c3 - (7)r6c3 = (7)r6c2; r6c2 <> 2 |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Sun Dec 14, 2008 1:58 pm Post subject: |
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Started off as a good one for a cold Sunday morning. Found an x-wing on 6; an ER on 8 and a Type 2 UR - then got nowhere.
Once the chains have to come out - I'm outa here. |
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