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immpy



Joined: 06 May 2017
Posts: 235

PostPosted: Fri Mar 22, 2019 12:47 pm    Post subject: Advanced 032219 Reply with quote

Hello all, interesting puzzle here. I liked it, so I thought I'd post it.
Enjoy...



Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 394
Location: Rimini, Italy

PostPosted: Fri Mar 22, 2019 3:24 pm    Post subject: Reply with quote

Hi everyone,

Code:

+------------+--------------+---------------+
| 245 9 245  | 248  1   7   | 3   6    58   |
| 3   7 8    | 5    6   9   | 4   1    2    |
| 6   1 245  | 2348 238 48  | 7   58   9    |
+------------+--------------+---------------+
| 27  8 1237 | 12   4   6   | 129 3579 357  |
| 9   5 1234 | 7    28  18  | 126 34   346  |
| 247 6 1247 | 9    5   3   | 12  478  478  |
+------------+--------------+---------------+
| 8   4 9    | 6    37  2   | 5   37   1    |
| 1   2 57   | 348  378 458 | 69  3479 3467 |
| 57  3 6    | 14   9   145 | 8   2    47   |
+------------+--------------+---------------+

Play this puzzle online at the Daily Sudoku site

XY-Chain r4c1-2-r4c4-1-r9c4-4-r9c9 and -7 in r4c9,r9c1

Ciao Gianni
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

PostPosted: Sat Mar 23, 2019 11:08 am    Post subject: Reply with quote

Code:
 *-----------------------------------------------------------*
 | 245   9     245   | 248   1     7     | 3     6     58    |
 | 3     7     8     | 5     6     9     | 4     1     2     |
 | 6     1     245   | 2348  238   48    | 7     58    9     |
 *-------------------+-------------------+-------------------|
 |a27    8     1237  |a12    4     6     | 129   3579  357   |
 | 9     5     1234  | 7     28    18    | 126   34    346   |
 | 247   6     1247  | 9     5     3     | 12    478   478   |
 *-------------------+-------------------+-------------------|
 | 8     4     9     | 6     37    2     | 5     37    1     |
 | 1     2     57    | 348   378   458   | 69    3479  3467  |
 | 5-7   3     6     |b14    9     145   | 8     2    b47    |
 *-----------------------------------------------------------*
[(7=1)r4c14-(1=7)r9c49]-7r9c1
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immpy



Joined: 06 May 2017
Posts: 235

PostPosted: Sat Mar 23, 2019 12:31 pm    Post subject: Reply with quote

Nicely done all. I used the same XY-Chain to break it open and solve.

cheers...immp
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