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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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 Posted: Sun Aug 27, 2017 5:39 am Post subject: VH082717 |
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| Code: | *-----------*
|2..|..5|1.4|
|...|.8.|2.3|
|...|2..|78.|
|---+---+---|
|.57|...|...|
|...|159|...|
|...|...|96.|
|---+---+---|
|.35|..6|...|
|4.2|.3.|...|
|6.9|4..|..1|
*-----------*
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Play/Print this puzzle online |
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
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| Posted: Sun Aug 27, 2017 7:26 am Post subject: |
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Hi everyone,
| Code: |
+--------------+-------------+-----------+
| 2 67 8 | 3 67 5 | 1 9 4 |
| 17 14679 146 | 679 8 147 | 2 5 3 |
| 5 149 3 | 2 149 14 | 7 8 6 |
+--------------+-------------+-----------+
| 9 5 7 | 68 246 23 | 348 1 28 |
| 38 246 46 | 1 5 9 | 38 24 7 |
| 38 124 14 | 78 247 237 | 9 6 5 |
+--------------+-------------+-----------+
| 17 3 5 | 79 19 6 | 48 24 28 |
| 4 18 2 | 5 3 18 | 6 7 9 |
| 6 78 9 | 4 27 278 | 5 3 1 |
+--------------+-------------+-----------+
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Play this puzzle online at the Daily Sudoku site
XY-Wing 2,3,8 in r4c69, r5c7 and -3 in r4c7
Ciao Gianni |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Sun Aug 27, 2017 12:29 pm Post subject: |
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Hi everyone
[(7)R2C1-(7)R2C6 and (7)R2C1-(7=1)R7C1-(1)R7C5=(1)R3C5-(1=4)R23C6]=>contradiction two singles 4 in box 2=>-7R2C1=>stte.
Ciao a Tutti
Paolo |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Sun Aug 27, 2017 1:17 pm Post subject: |
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other solutions
AIC (2)R4C9=(2-8)R7C9=(8)R7C7-(8=3)R5C7-(3)R4C7=(3-2)R4C6=>-2R4C6=>stte
Or
[(3)R5C1-(3)R5C7=(3)R4C7-(3=2)R4C6 and (3)R5C1-(3=8)R5C7-(8)R7C7=(8)R7C9-(8=2)R4C9]=> contradiction two singles 2 in line 4=>-3R5C1=>stte.
Ciao a Tutti |
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