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immpy
Joined: 06 May 2017
Posts: 571
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 Posted: Fri Jul 14, 2017 2:46 pm Post subject: VH+ 071417 |
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....enjoy the journey.......
| Code: |
+-------+-------+-------+
| . . . | . . . | . . 3 |
| . . . | 2 . 5 | . 8 . |
| . 8 2 | . 7 4 | . . 5 |
+-------+-------+-------+
| 5 . 8 | 6 . . | . . . |
| 9 6 . | . . . | . 5 4 |
| . . . | . . 9 | 8 . 7 |
+-------+-------+-------+
| 8 . . | 7 4 . | 5 3 . |
| . 5 . | 3 . 1 | . . . |
| 4 . . | . . . | . . . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site |
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JC Van Hay
Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
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| Posted: Fri Jul 14, 2017 5:19 pm Post subject: |
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| 1r2c2 -> 0 solution; r2c2=9 and stte |
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dongrave
Joined: 06 Mar 2014
Posts: 568
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| Posted: Fri Jul 14, 2017 9:04 pm Post subject: |
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Journey? That wasn't even a short story for JC! Holy crow!  |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Fri Jul 14, 2017 10:26 pm Post subject: |
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Hi everyone
[(7)R1C1-(7=2)R8C1 and (7-1)R1C1=(1)R12C2-(1=2)R7C2]=>contradiction two singles 2 in box 7=>-7R1C1=>solution stte
Ciao a tutti
Paolo. |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Jul 15, 2017 12:20 am Post subject: |
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| Code: |
+------------+-------------+--------------+
| 17 179 5 | 189 168 68 | 24 24 3 |
| 6 19 4 | 2 3 5 | 7 8 19 |
| 3 8 2 | 19 7 4 | 6 19 5 |
+------------+-------------+--------------+
| 5 4 8 | 6 12 7 | 3 129 129 |
| 9 6 7 | 18 128 3 | 12 5 4 |
| 12 123 13 | 4 5 9 | 8 6 7 |
+------------+-------------+--------------+
| 8 12 9 | 7 4 26 | 5 3 126 |
| 27 5 6 | 3 89 1 | 249 247 28 |
| 4 1237 13 | 5 689 268 | 129 127 1268 |
+------------+-------------+--------------+
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Play this puzzle online at the Daily Sudoku site
W-Wing (12) b47, SL1 in b1=> -2r6c2,r8c1 |
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immpy
Joined: 06 May 2017
Posts: 571
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| Posted: Sat Jul 15, 2017 7:25 pm Post subject: |
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My path was the early X-Wing (1) in rows 2 & 7, columns 2 & 9.
r1c2<>1, r6c2<>1, r9c2<>1, r4c9<>1, and r9c9<>1.
This revealed the XYZ-Wing of (237) with pivot at r9c2; pincers at r6c2 and r8c1. Thus r7c2<>2. Basics from there. |
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
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| Posted: Sat Jul 15, 2017 8:16 pm Post subject: |
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Hi everyone,
Another possible solution is a
XY-Chain r1c1 1,7 - r8c1 7,2 - r7c2 2,1 - r2c2 1,9 - r2c9 9,1 - r3c8 1,9 - r3c4 9,1 and -1 in r1c45.
Ciao Gianni |
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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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| Posted: Fri Jul 21, 2017 1:21 pm Post subject: VH+ 071417 |
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| Code: |
+-------------------+-------------------------+-----------------------+
| d17 179 5 | e189 e168 68 | 24 24 3 |
| 6 a19 4 | 2 3 5 | 7 8 1-9 |
| 3 8 2 | f19 7 4 | 6 g19 5 |
+-------------------+-------------------------+-----------------------+
| 5 4 8 | 6 12 7 | 3 129 129 |
| 9 6 7 | 18 128 3 | 12 5 4 |
| 12 123 13 | 4 5 9 | 8 6 7 |
+-------------------+-------------------------+-----------------------+
| 8 b12 9 | 7 4 26 | 5 3 126 |
| c27 5 6 | 3 289 1 | 249 247 28 |
| 4 1237 13 | 5 2689 268 | 129 127 1268 |
+-------------------+-------------------------+-----------------------+
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(9=1)r2c2 - (1=2)r7c2 - (2=7)r8c1 - (7=1)r1c1 - r1c45 = r3c4 - (1=9)r3c8 => - 9 r2c9; stte |
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