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Rectangles on parade (empty, hidden, unique) 112019

 
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immpy



Joined: 06 May 2017
Posts: 251

PostPosted: Wed Nov 20, 2019 5:05 am    Post subject: Rectangles on parade (empty, hidden, unique) 112019 Reply with quote

Hello all, enjoy the puzzle...

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 431
Location: Rimini, Italy

PostPosted: Sun Nov 24, 2019 10:19 am    Post subject: Reply with quote

Hi everyone,

Code:

+-------------+---------------+-------------+
| 4   8   7   | 236  239  5   | 69  1  269  |
| 1   5   26  | 4    29   7   | 3   8  269  |
| 69  369 236 | 1    28   68  | 7   5  4    |
+-------------+---------------+-------------+
| 78  1   4   | 2368 2378 368 | 5   69 6789 |
| 578 36  36  | 58   78   9   | 4   2  1    |
| 578 2   9   | 568  1    4   | 68  3  678  |
+-------------+---------------+-------------+
| 23  4   8   | 9    6    23  | 1   7  5    |
| 369 7   5   | 38   4    1   | 2   69 689  |
| 269 69  1   | 7    5    28  | 689 4  3    |
+-------------+---------------+-------------+

Play this puzzle online at the Daily Sudoku site

AIC in r1c7
if r1c7=6 r9c7=9 r9c2=6 r5c3=6 r2c9=6

Code:

+-------------+---------------+-----------+
| 4   8   7   | 236  23   5   | 9  1  26  |
| 1   5   26  | 4    9    7   | 3  8  26  |
| 69  369 236 | 1    28   68  | 7  5  4   |
+-------------+---------------+-----------+
| 78  1   4   | 2368 2378 368 | 5  69 789 |
| 578 36  36  | 58   78   9   | 4  2  1   |
| 578 2   9   | 568  1    4   | 68 3  78  |
+-------------+---------------+-----------+
| 23  4   8   | 9    6    23  | 1  7  5   |
| 36  7   5   | 38   4    1   | 2  69 89  |
| 269 69  1   | 7    5    28  | 68 4  3   |
+-------------+---------------+-----------+

Play this puzzle online at the Daily Sudoku site

AIC in r5c4
if r5c4=5 -5 in r5c1,r6c4
if r5c4=8 r8c9=8 r9c7=6 r6c4=6 r6c1=5 -5 in r5c1,r6c4

Code:

+-------------+---------------+----------+
| 4   8   7   | 236  23   5   | 9  1  26 |
| 1   5   26  | 4    9    7   | 3  8  26 |
| 69  369 236 | 1    28   68  | 7  5  4  |
+-------------+---------------+----------+
| 78  1   4   | 2368 2378 368 | 5  69 89 |
| 78  36  36  | 5    78   9   | 4  2  1  |
| 5   2   9   | 68   1    4   | 68 3  7  |
+-------------+---------------+----------+
| 23  4   8   | 9    6    23  | 1  7  5  |
| 36  7   5   | 38   4    1   | 2  69 89 |
| 269 69  1   | 7    5    28  | 68 4  3  |
+-------------+---------------+----------+

Play this puzzle online at the Daily Sudoku site

Skyscraper with number 8 in r6c47,r9c67 and -8 in r4c6,r8c4

Ciao Gianni
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AjÚ Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Mon Nov 25, 2019 10:07 am    Post subject: Reply with quote

Hi everyone


Code:

+-------------+---------------+-------------+
| 4   8   7   | 236  239  5   | 69  1  269  |
| 1   5   26  | 4    29   7   | 3   8  269  |
| 69  369 236 | 1    28   68  | 7   5  4    |
+-------------+---------------+-------------+
| 78  1   4   | 2368 2378 368 | 5   69 6789 |
| 578 36  36  | 58   78   9   | 4   2  1    |
| 578 2   9   | 568  1    4   | 68  3  678  |
+-------------+---------------+-------------+
| 23  4   8   | 9    6    23  | 1   7  5    |
| 369 7   5   | 38   4    1   | 2   69 689  |
| 269 69  1   | 7    5    28  | 689 4  3    |
+-------------+---------------+-------------+

Play this puzzle online at the Daily Sudoku site

(2-8)R9C6=8R9C7-(8=6)R6C7-6R6C4=(58)R56C4-8R45C56=8R3C5-8R3C6=(8-2)R9C6)=>-2R9C6=>stte

Ciao a Tutti
Paolo
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