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VH+ 021021

 
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immpy



Joined: 06 May 2017
Posts: 455

PostPosted: Wed Feb 10, 2021 7:32 pm    Post subject: VH+ 021021 Reply with quote

Hello all, enjoy the puzzle...

Code:

+-------+-------+-------+
| . 1 2 | 3 . 9 | 6 5 . |
| . . . | . . . | . . . |
| . . 7 | 6 . 2 | 3 . . |
+-------+-------+-------+
| . . 1 | 7 3 8 | 4 6 . |
| . 6 . | 4 . 1 | . 9 . |
| . . . | . . . | . . . |
+-------+-------+-------+
| . 3 . | . . . | . 2 . |
| . . 4 | . . . | 9 . . |
| 5 . . | . 8 . | 1 . 7 |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

cheers...immp
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TomC



Joined: 30 Oct 2020
Posts: 109
Location: Wales

PostPosted: Thu Feb 11, 2021 9:53 am    Post subject: Reply with quote

Code:

+------------+------------+------------+
| 48  1   2  | 3  7   9   | 6  5   48  |
| 6   45  3  | 8  1   45  | 2  7   9   |
| 9   458 7  | 6  45  2   | 3  148 14  |
+------------+------------+------------+
| 2   9   1  | 7  3   8   | 4  6   5   |
| 37  6   58 | 4  25  1   | 78 9   23  |
| 347 47  58 | 25 9   6   | 78 13  123 |
+------------+------------+------------+
| 78  3   9  | 1  46  47  | 5  2   468 |
| 1   78  4  | 25 256 357 | 9  38  36  |
| 5   2   6  | 9  8   34  | 1  34  7   |
+------------+------------+------------+

Play this puzzle online at the Daily Sudoku site

After basics and the X wing on 8's in r17

Eliminate the 1 in r3c8 with the chain r6c8=3, r5c9=3, r5c5=2, r3c5=4 giving 2 1's in box 3

Tom
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dongrave



Joined: 06 Mar 2014
Posts: 443

PostPosted: Thu Feb 11, 2021 5:41 pm    Post subject: Reply with quote

Code:
+------------+------------+------------+
| 48  1   2  | 3  7   9   | 6  5   48  |
| 6   45  3  | 8  1   45  | 2  7   9   |
| 9   458 7  | 6  45  2   | 3  148 148 |
+------------+------------+------------+
| 2   9   1  | 7  3   8   | 4  6   5   |
| 37  6   58 | 4  25  1   | 78 9   23  |
| 347 47  58 | 25 9   6   | 78 13  123 |
+------------+------------+------------+
| 78  3   9  | 1  46  47  | 5  2   468 |
| 1   78  4  | 25 256 357 | 9  38  368 |
| 5   2   6  | 9  8   34  | 1  34  7   |
+------------+------------+------------+

8*r1c9-(8=4)r1c1-r2c2=r2c6-(4=5)r3c5-(5=2)r5c5-(25=6)r8c5-(68*=3)r8c9-(3=2)r5c9 contradiction (2r5c59) => r1c9 <> 8; stte.
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