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Earl
Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
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 Posted: Wed Feb 09, 2022 12:33 pm Post subject: Feb 09 VH |
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489xywing@R4C1, -9R2C3
Early Earl |
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TomC
Joined: 30 Oct 2020
Posts: 358
Location: Wales
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| Posted: Wed Feb 09, 2022 1:21 pm Post subject: |
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| Code: |
+------------+----------+---------+
| 1 8 3 | 47 6 49 | 2 5 79 |
| 6 5 79 | 2 79 8 | 3 4 1 |
| 49 479 2 | 3 1 5 | 8 6 79 |
+------------+----------+---------+
| 48 6 5 | 47 37 1 | 9 38 2 |
| 7 24 89 | 5 39 24 | 1 38 6 |
| 3 29 1 | 6 8 29 | 4 7 5 |
+------------+----------+---------+
| 2 1 6 | 8 4 7 | 5 9 3 |
| 5 3 4 | 9 2 6 | 7 1 8 |
| 89 79 789 | 1 5 3 | 6 2 4 |
+------------+----------+---------+
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Play online at the Daily Sudoku site
Another way of solving this:
If r4c5=3
then r5c5=9
also r4c8=8, r4c1=4, r3c1=9
this leaves no room for a <9> in r2 so r4c5 must be <7> |
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 933
Location: Rimini, Italy
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| Posted: Wed Feb 09, 2022 2:19 pm Post subject: |
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Hi everyone,
W-Wing
7,9 in r2c3,r9c2 SL with number 9 in r39c1 and -7 in r3c2,r9c3
or
7,9 in r3c9,r9c2 SL with number 9 in r39c1 and -7 in r3c2
Ciao Gianni |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Wed Feb 09, 2022 9:16 pm Post subject: |
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Pincers for 9 at r6c2 and r9c1 so r9c2 < > 9
(9=2)r6c2-(2=4)r5c2-(4=8)r4c1-(8=9)r9c1
I see this as a simple xy chain but you could see it as a W-wing with an SL on 4. |
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