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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sun Jun 06, 2010 2:40 pm Post subject: Puzzle 10/06/06: (C) Advanced |
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Last of the advanced puzzles until I generate more. Several BBDB in supply. (I hear Marty groaning from here!)
| Code: | +-----------------------+
| 1 . . | 8 . . | . . . |
| . . 5 | . 9 3 | . . . |
| . 8 7 | 1 2 . | . . 5 |
|-------+-------+-------|
| 5 . 3 | 7 . . | . . . |
| . 1 8 | . . . | . 5 9 |
| . 7 . | . . . | 4 . 1 |
|-------+-------+-------|
| . . . | . . 2 | 1 . . |
| . . . | . 7 . | . . . |
| . . 1 | . 8 5 | . . 2 |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site
after basics:
| Code: | +--------------------------------------------------------------+
| 1 39 49 | 8 5 7 | 236 246 346 |
| 2 6 5 | 4 9 3 | 8 1 7 |
| 34 8 7 | 1 2 6 | 39 49 5 |
|--------------------+--------------------+--------------------|
| 5 4 3 | 7 1 9 | 26 268 68 |
| 6 1 8 | 2 3 4 | 7 5 9 |
| 9 7 2 | 5 6 8 | 4 3 1 |
|--------------------+--------------------+--------------------|
| 378 5 69 | 369 4 2 | 1 6789 368 |
| 348 2 469 | 369 7 1 | 5 4689 3468 |
| 47 39 1 | 369 8 5 | 369 47 2 |
+--------------------------------------------------------------+
# 44 eliminations remain
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Sun Jun 06, 2010 8:07 pm Post subject: |
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You don't see one for weeks and then two come along in an evening... 
| Quote: | | m-wing(39) (9=3)r3c7-r3c1=(3-9)r1c2=r9c2; r9c7<>9 |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Sun Jun 06, 2010 9:31 pm Post subject: |
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I’ll borrow some of that 39 action (don't know if this grid helps or not Marty):
(NOT 3)r3c1=(3-9)r3c7=r9c7-r9c2=(9-3)r1c2=(3)r3c1
Chain/loop is shown in green r3c1 => 3
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wapati
Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.
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| Posted: Sun Jun 06, 2010 11:50 pm Post subject: |
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| peterj wrote: |
| Quote: | | m-wing(39) (9=3)r3c7-r3c1=(3-9)r1c2=r9c2; r9c7<>9 |
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Same elimination with a 39 W-Wing. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Mon Jun 07, 2010 3:06 am Post subject: |
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A flightless xy-wing also does the trick.............
| Quote: | | Flightless xy-wing 34-9 with vertex 34 in r3c1 plus transport: (9)r3c8 - r78c8 = (9)r9c7; r9c2<>9 |
Ted |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Tue Jun 08, 2010 4:10 am Post subject: |
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| Same M-Wing as Peter. |
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