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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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 Posted: Fri Apr 01, 2011 3:17 pm Post subject: Free Press April 1, 2011 |
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Not yet started. Seems to be on the BBDB side. | Code: | Puzzle: FP040111
+-------+-------+-------+
| . . 6 | . . . | . 5 . |
| 3 . . | . 2 . | . 1 6 |
| . . 8 | . . 6 | . . 7 |
+-------+-------+-------+
| 1 . 2 | . 6 . | . . . |
| . . . | 4 . 7 | . . . |
| . . . | . 8 . | 5 . . |
+-------+-------+-------+
| 9 . . | 6 5 . | 8 . . |
| 8 5 . | . 4 . | . . 9 |
| . 4 . | . . . | 7 . . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri Apr 01, 2011 5:01 pm Post subject: |
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W-Wing (13); r5c7, r6c46<>1
W-Wing (34), flightless; r1c8<>4
Remote Pairs (39); r9c4<>39 |
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Fri Apr 01, 2011 6:22 pm Post subject: |
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Mine was longer:
Type 4 UR on 4
Choice of XY-wings 13-6 or 1-36
Choice of XYZ-wings 34-9 or 2-34
SS 9
X-wing 9
BUG+1 or Choice of XY-wings 38-9 or -389.
Keith |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Fri Apr 01, 2011 9:39 pm Post subject: |
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Another approach..........
#1: xy-wing(16-3) vertex (16)r5c7; r6c2<>3
#2: axy-wing (89-3) vertex(89)r2c4 with fin (9)r9c4; r9c5<>3
(9)r9c4-r4c4=r4c7-r23c7=r3c8-(9=3)r3c5;
Ted |
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Asellus
Joined: 05 Jun 2007
Posts: 865
Location: Sonoma County, CA, USA
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| Posted: Sat Apr 02, 2011 3:01 am Post subject: |
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After the 136 XY-Wing there is a 6-cell deadly pattern with an interesting grouped inference:
| Code: | +--------+------------+---------------+
| 24 9 6 | 1 7 34 | 234 5 8 |
| 3 7 5 | 89 2 489 | 49 1 6 |
| 24 1 8 | 5 39 6 |@2349 @349 7 |
+--------+------------+---------------+
| 1 8 2 | 39 6 5 |@349 7 @34 |
| 5 3 9 | 4 1 7 | 6 8 2 |
| 7 6 4 | 2 8 39 | 5 39 1 |
+--------+------------+---------------+
| 9 2 7 | 6 5 1 | 8 @34 @34 |
| 8 5 3 | 7 4 2 | 1 6 9 |
| 6 4 1 | 389 39 389 | 7 2 5 |
+--------+------------+---------------+ |
(4=2)r3c1 - @DP[(2)r3c7=(9)r3c78|r4c7] - (9=4)r2c7; r3c78<>4 |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Sat Apr 02, 2011 4:07 am Post subject: |
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| Asellus wrote: | | (4=2)r3c1 - @DP[(2)r3c7=(9)r3c78|r4c7] - (9=4)r2c7; r3c78<>4 |
Impressibe. I still fumble around in the dark when it comes to most DPs. |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Sat Apr 02, 2011 4:28 am Post subject: |
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Asellus,
I like the move. I frequently look for the ADP patterns and had noticed the 6-cell AUR(34) after basics, but in this puzzle, the axy-wing was ready and attractive as the second step.
Ted |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
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| Posted: Sun Apr 03, 2011 1:02 am Post subject: |
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Norm,
That is really creative!
Keith |
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