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immpy
Joined: 06 May 2017
Posts: 574
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 Posted: Mon Feb 14, 2022 6:20 pm Post subject: VH++ 021422 |
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Hello all, enjoy the puzzle. Happy Valentine's Day!
| Code: |
+-------+-------+-------+
| . . . | . . . | 3 2 . |
| . 8 . | . 3 5 | . 4 . |
| . . . | . . . | . . 5 |
+-------+-------+-------+
| . . . | 6 8 . | 9 . . |
| . 6 . | 9 5 7 | 2 1 . |
| . 7 . | . 4 . | . . . |
+-------+-------+-------+
| 2 5 . | 7 9 . | . . 3 |
| 6 1 . | . 2 . | . . . |
| . . 4 | . . . | 8 . . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site
cheers...immp |
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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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| Posted: Mon Feb 14, 2022 11:31 pm Post subject: VH + + 021422 |
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| Code: |
+----------------------+--------------------+-----------------+
| 14579 49 15679 | 148 167 1689 | 3 2 189 |
| 179 8 12679 | 12 3 5 | 67 4 19 |
| 13479 2349 12679 | 1248 167 12689 | 67 89 5 |
+----------------------+--------------------+-----------------+
| 145 24 125 | 6 8 123 | 9 3-7 a47 |
|b48 6 3 | 9 5 7 | 2 1 a48 |
|c189 7 d129 | 123 4 123 | 5 38 6 |
+----------------------+--------------------+-----------------+
| 2 5 8 | 7 9 4 | 1 6 3 |
| 6 1 e79 | 38 2 38 | 4 5 f79 |
| 379 39 4 | 5 16 16 | 8 g79 2 |
+----------------------+--------------------+-----------------+
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(7=48)r45c9 - (8)r5c1 = (8-9)r6c1 = r6c3 - r8c3 = r8c9 - (9=7)r9c8 => - 7r4c8; btte |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Tue Feb 15, 2022 4:20 pm Post subject: |
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Not as elegant:
| Code: | Remove Put back
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\/ \/
(9)r3c8=r9c8-r8c9=r8c3-r6c3=(9-8)r6c1=r6c8-(8=9)r3c8
So r3c8 = 9 |
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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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| Posted: Tue Feb 15, 2022 6:54 pm Post subject: |
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| Mogulmeister wrote: | Not as elegant:
| Code: | Remove Put back
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\/ \/
(9)r3c8=r9c8-r8c9=r8c3-r6c3=(9-8)r6c1=r6c8-(8=9)r3c8
So r3c8 = 9 |
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We said that r3c8 is not 9. The chain proves us wrong! It is 9. It is elegant, why not. |
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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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| Posted: Tue Feb 15, 2022 6:56 pm Post subject: |
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| Mogulmeister wrote: | Not as elegant:
| Code: | Remove Put back
|| ||
\/ \/
(9)r3c8=r9c8-r8c9=r8c3-r6c3=(9-8)r6c1=r6c8-(8=9)r3c8
So r3c8 = 9 |
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We said that r3c8 is not 9. The chain proves us wrong! It is 9. It is elegant, why not. |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Wed Feb 16, 2022 6:42 am Post subject: |
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I guess (in my mind at least) that it is down to aesthetics, Clement. My chain is a contradiction loop, has more steps and it ends where it started.
I found your chain and its conclusion to be "less agricultural".  |
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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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| Posted: Wed Feb 16, 2022 4:20 pm Post subject: |
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| I found your chain and its conclusion to be "less agricultural". [/quote]O.K by a difference of one acre. |
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Wed Feb 16, 2022 4:57 pm Post subject: |
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