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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sun Mar 28, 2010 7:03 pm Post subject: Puzzle 10/03/28 (A) |
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| Code: | +-----------------------+
| 9 . 5 | . . 4 | . . . |
| . 7 . | . . . | . . . |
| 4 . 3 | . 9 8 | . 7 6 |
|-------+-------+-------|
| . . . | 5 . . | 4 . 3 |
| . . 8 | . 1 6 | . . . |
| 5 . 4 | . 7 . | . 6 . |
|-------+-------+-------|
| . . . | 8 . . | 7 . . |
| . . 9 | . . 7 | . 4 5 |
| . . 7 | 6 . . | . 3 8 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Sun Mar 28, 2010 7:29 pm Post subject: |
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Provided you spot the hidden pair 45 you can one-step it with ..
| Quote: | | UR Type 1 eliminates 45 from r7c5 |
You dont event need the X-wing on 2 |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Mon Mar 29, 2010 12:03 am Post subject: |
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| I found another route to a one stepper: |
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Wendy W
Joined: 04 Feb 2008
Posts: 144
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| Posted: Mon Mar 29, 2010 12:15 am Post subject: |
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| peterj wrote: | Provided you spot the hidden pair 45 you can one-step it with ..
| Quote: | | UR Type 1 eliminates 45 from r7c5 |
You dont event need the X-wing on 2 |
Nice going, Peter! I used an X-wing on 1 and then an XY-wing (126). |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Mar 29, 2010 3:49 pm Post subject: |
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| Same W-Wing as Dan. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Mar 29, 2010 7:01 pm Post subject: |
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| Marty R. wrote: | | Same W-Wing as Dan. |
Maybe it wasn't the same. I forgot to mention that mine was flightless and used a pincer transport. |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Mon Mar 29, 2010 8:43 pm Post subject: |
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| Marty R. wrote: | | Maybe it wasn't the same. I forgot to mention that mine was flightless and used a pincer transport. |
Here is mine. It flies sans extensions with stte. | Code: | *-----------------------------------------------------------*
| 9 68 5 | 7 236 4 |#123 18-2 *12 |
| 1268 7 126 | 123 2356 15 | 239 89-2 4 |
| 4 12 3 | 12 9 8 | 5 7 6 |
|-------------------+-------------------+-------------------|
| 7 69 16 | 5 8 2 | 4 19 3 |
| 23 39 8 | 4 1 6 | 29 5 7 |
| 5 12 4 | 9 7 3 | 8 6 12 |
|-------------------+-------------------+-------------------|
| 1236 45 126 | 8 2345 15 | 7 *12 9 |
| 1238 38 9 | 123 23 7 | 6 4 5 |
| 12 45 7 | 6 45 9 |#12 3 8 |
*-----------------------------------------------------------*
w-wing:(2=1)r1c9-r1c7=r9c7-(1=2)r7c8; r12c8<>2
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Mar 29, 2010 9:31 pm Post subject: |
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| Sometimes I don't see things that are right in front of me. I used r1c9 and r9c1, then transported the 2 from r9c1 to r7c8. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Tue Mar 30, 2010 4:24 am Post subject: |
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A different solution is the hidden pair 12 in r1c89; either r1c89=12 or r1c8=8.
(12)r1c89 = (8)r1c8 - (8=6)r1c2 - (6=9)r4c2 - (9=1)r4c8 - r7c8 = r9c7; r1c7<>1 to complete the puzzle in one step.
Ted |
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oaxen
Joined: 10 Jul 2006
Posts: 96
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| Posted: Tue Mar 30, 2010 10:46 am Post subject: |
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| There are 30!! two-of-a- kind boxes where one can start and make a one stepper thread of this puzzle. Only the 45's in r7c2 and r9c2 and r9c5 will lead to a dead end. |
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