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daj95376
Joined: 23 Aug 2008 Posts: 3854
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Posted: Sun Nov 22, 2009 7:29 pm Post subject: Puzzle NR 09/11/22 (B) |
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Code: | +-----------------------+
| 4 . . | 5 . . | 6 . 9 |
| . . . | . . . | . 3 . |
| . . 8 | . . 2 | . . . |
|-------+-------+-------|
| 9 . . | 1 . . | . 5 3 |
| . . . | . 5 . | . . 8 |
| . . 1 | . . 3 | . 9 . |
|-------+-------+-------|
| 3 . . | . . . | . 2 7 |
| . 4 . | 9 . 5 | 3 8 . |
| 2 . . | 7 3 . | 4 . . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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storm_norm
Joined: 18 Oct 2007 Posts: 1741
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Posted: Sun Nov 22, 2009 9:29 pm Post subject: |
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Code: | .---------------------.---------------------.---------------------.
| 4 U23 U23 | 5 178 178 | 6 17 9 |
| 5 1679 67 | 46 14679 1467 | 8 3 2 |
| 167 1679 8 | 3 1679 2 | 5 147 14 |
:---------------------+---------------------+---------------------:
| 9 26 24 | 1 4678 4678 | 27 5 3 |
| 67 U2367 U234 |+246 5 9 | 1 46 8 |
| 8 5 1 | 246 467 3 | 27 9 46 |
:---------------------+---------------------+---------------------:
| 3 16 5 | 8 146 146 | 9 2 7 |
| 167 4 67 | 9 2 5 | 3 8 16 |
| 2 8 9 | 7 3 16 | 4 16 5 |
'---------------------'---------------------'---------------------' |
UR23 r15c23 the only other UR candidate in rows 1 and 5 is the 2 in r5c4, so that 2 can be placed.
Code: | +------------------+----------------+---------------+
| 4 23 23 | 5 18 178 | 6 17 9 |
| 5 1679 67 | 46 1469 1467 | 8 3 2 |
| 167 1679 8 | 3 169 2 | 5 147 14 |
+------------------+----------------+---------------+
| 9 2-6 24 | 1 468 468 | 7 5 3 |
| 7(6) 37(6) 34 | 2 5 9 | 1 4(6) 8 |
| 8 5 1 | 46 7 3 | 2 9 46 |
+------------------+----------------+---------------+
| 3 (16) 5 | 8 146 146 | 9 2 7 |
| 67(1) 4 67 | 9 2 5 | 3 8 6(1) |
| 2 8 9 | 7 3 16 | 4 (16) 5 |
+------------------+----------------+---------------+ |
extended w-wing
(6=1)r7c2 - (1)r8c1 = (1)r8c9 - (1=6)r9c8 - (6)r5c8 = (6)r5c12; r4c2 <> 6 |
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Marty R.
Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
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Posted: Mon Nov 23, 2009 5:42 am Post subject: |
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Type 4 UR (23)
W-Wing (67)
Type 4 UR (69)
ERs (1,6) |
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arkietech
Joined: 31 Jul 2008 Posts: 1834 Location: Northwest Arkansas USA
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Posted: Mon Nov 23, 2009 9:51 am Post subject: |
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After spending a lot of time in ur land I settled for:
x-wing 1
w-wing 67
er 1 |
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oaxen
Joined: 10 Jul 2006 Posts: 96
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Posted: Mon Nov 23, 2009 1:35 pm Post subject: |
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"1" in r3c1 makes it a one stepper. Probably also other pairpossibilities, for an examle one of the "fours" in column 9.
For me interesting why this "1" and not the other "1" in r8c1. Anybody has a clue? |
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tlanglet
Joined: 17 Oct 2007 Posts: 2468 Location: Northern California Foothills
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Posted: Tue Dec 01, 2009 2:54 pm Post subject: |
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Four steps:
The UR23 in r15c23 as already posted by Norm,
x-wing 1 in r38c19,
finned x-wing 1 in r27c25,
xyz 167 in r3c1 with pseudocell 17 in r3c89.
Ted |
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