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Another multi-step VH 010620

 
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Mon Jan 06, 2020 10:49 pm    Post subject: Another multi-step VH 010620 Reply with quote
If you are liking these, enjoy the puzzle...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 938
Location: Rimini, Italy
PostPosted: Sat Jan 11, 2020 11:33 pm    Post subject: Reply with quote
Hi everyone,

Code:

+-------------+-----------+-----------+
| 57  257 9   | 8   1  67 | 23 34  46 |
| 3   27  4   | 67  5  9  | 8  26  1  |
| 1   6   8   | 3   2  4  | 7  9   5  |
+-------------+-----------+-----------+
| 25  9   7   | 1   6  8  | 4  25  3  |
| 8   14  3   | 2   47 5  | 19 67  69 |
| 6   14  25  | 9   47 3  | 12 257 8  |
+-------------+-----------+-----------+
| 9   57  56  | 467 8  1  | 35 34  2  |
| 257 8   256 | 467 3  67 | 59 1   49 |
| 4   3   1   | 5   9  2  | 6  8   7  |
+-------------+-----------+-----------+

Play this puzzle online at the Daily Sudoku site

XY-Chain from r2c2 - 7 - r7c2 - 5 - r7c7 - 3 - r1c7 and -2 in r1c2,r2c8

Ciao Gianni
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Mon Jan 13, 2020 9:08 am    Post subject: Reply with quote
Hello all,
If you didn't identify the XY-Chain, one could start with an X-Wing.

X-Wing: 7 r27 c24=>r1c2,r8c4<>7.
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Mon Jan 13, 2020 9:14 am    Post subject: Reply with quote
Puzzle will now look like this.....

Code:

+------------+-----------+-----------+
| 57  25 9   | 8   1  67 | 23 34  46 |
| 3   27 4   | 67  5  9  | 8  26  1  |
| 1   6  8   | 3   2  4  | 7  9   5  |
+------------+-----------+-----------+
| 25  9  7   | 1   6  8  | 4  25  3  |
| 8   14 3   | 2   47 5  | 19 67  69 |
| 6   14 25  | 9   47 3  | 12 257 8  |
+------------+-----------+-----------+
| 9   57 56  | 467 8  1  | 35 34  2  |
| 257 8  256 | 46  3  67 | 59 1   49 |
| 4   3  1   | 5   9  2  | 6  8   7  |
+------------+-----------+-----------+

Play this puzzle online at the Daily Sudoku site

Identify the XY-Wing: 23-5 in r2c27,r1c7=>r7c2<>5.
cheers...immp
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