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immpy
Joined: 06 May 2017 Posts: 571
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Posted: Wed Jan 13, 2021 3:43 pm Post subject: VH+ 011321 |
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Hello all, enjoy the puzzle...
Code: |
+-------+-------+-------+
| . . 6 | . . . | 1 . . |
| 8 2 1 | 9 3 6 | 4 . 7 |
| 7 5 3 | 4 . 8 | . 2 9 |
+-------+-------+-------+
| . . . | . 5 . | . . . |
| 6 . 2 | . . . | 5 . 8 |
| . 3 . | . . . | . 9 . |
+-------+-------+-------+
| . 6 . | . 4 . | . 1 . |
| . . . | 5 . 9 | . . . |
| . . 9 | . 2 . | 7 . . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site
cheers...immp |
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dongrave
Joined: 06 Mar 2014 Posts: 568
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Posted: Thu Jan 14, 2021 12:22 pm Post subject: |
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Code: | +----------------+------------+-----------+
| 49 49 6 | 2 7 5 | 1 8 3 |
| 8 2 1 | 9 3 6 | 4 5 7 |
| 7 5 3 | 4 1 8 | 6 2 9 |
+----------------+------------+-----------+
| 149 14789 478 | 167 5 2 | 3 467 146 |
| 6 147 2 | 137 9 1347 | 5 47 8 |
| 145 3 457 | 167 8 147 | 2 9 146 |
+----------------+------------+-----------+
| 235 6 58 | 378 4 37 | 9 1 25 |
| 1234 147 47 | 5 6 9 | 8 34 24 |
| 345 48 9 | 138 2 13 | 7 346 456 |
+----------------+------------+-----------+
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(5=8)r7c3-(8=4*)r9c2-(4=7)r8c3-(47=1)r8c2-(14*=7)r5c2-(7=4)r5c8-(4=3)r8c8-(34=6)r9c8-(4*6=5)r9c9 => r7c9 <> 5; stte. |
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TomC
Joined: 30 Oct 2020 Posts: 358 Location: Wales
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Posted: Thu Jan 14, 2021 1:06 pm Post subject: |
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My solution was to eliminate the 1 in r8c1
as in box 7 you would have 47 pair giving r9c2=8 r7c3=5 and r7c9=2
thus no 2's in box7 |
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ZeroAssoluto
Joined: 05 Feb 2017 Posts: 940 Location: Rimini, Italy
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Posted: Thu Jan 14, 2021 2:06 pm Post subject: |
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Hi everyone,
XY-Chain r9c2 - 8 - r7c3 - 5 - r7c9 - 2 - r8c9 and -4 in r8c123,r9c89
and a Naked Pair
Ciao Gianni |
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