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It's time for a puzzle...(too hard 041518)

 
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immpy



Joined: 06 May 2017
Posts: 155

PostPosted: Mon Apr 16, 2018 3:02 am    Post subject: It's time for a puzzle...(too hard 041518) Reply with quote

Found this one to be some fun...enjoy.

Code:

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

Play this puzzle online at the Daily Sudoku site

cheers...immp
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 250
Location: Rimini, Italy

PostPosted: Mon Apr 16, 2018 12:00 pm    Post subject: Reply with quote

Hi everyone,

Code:

+-----------------+-----------------+-----------+
| 2    3567  356  | 9   46    4567  | 1   8  67 |
| 49   67    1    | 8   3     67    | 49  2  5  |
| 4579 5678  5689 | 16  126   12567 | 3   49 67 |
+-----------------+-----------------+-----------+
| 8    13    4    | 2   16    136   | 5   7  9  |
| 15   2     35   | 13  7     9     | 8   6  4  |
| 6    9     7    | 5   48    48    | 2   1  3  |
+-----------------+-----------------+-----------+
| 1579 15678 5689 | 136 12689 12368 | 479 49 12 |
| 179  167   2    | 4   5     16    | 79  3  8  |
| 3    4     89   | 7   1289  128   | 6   5  12 |
+-----------------+-----------------+-----------+

Play this puzzle online at the Daily Sudoku site

first step
X-Wing with 6 in r28c26 and -6 in r1c26,r3c26,r4c6,r7c26

Code:

+----------------+--------------+-----------+
| 2    357  356  | 9   4   57   | 1   8  67 |
| 49   67   1    | 8   3   67   | 49  2  5  |
| 4579 578  5689 | 16  12  1257 | 3   49 67 |
+----------------+--------------+-----------+
| 8    13   4    | 2   6   13   | 5   7  9  |
| 15   2    35   | 13  7   9    | 8   6  4  |
| 6    9    7    | 5   8   4    | 2   1  3  |
+----------------+--------------+-----------+
| 1579 1578 5689 | 136 129 1238 | 479 49 12 |
| 179  167  2    | 4   5   16   | 79  3  8  |
| 3    4    89   | 7   129 128  | 6   5  12 |
+----------------+--------------+-----------+

Play this puzzle online at the Daily Sudoku site

second step
W-Wing with 1,6 in r3c4,r8c6 connected by number 1 in r4c6,r5c4 and -6 in r2c6,r7c4

Ciao Gianni
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arkietech



Joined: 31 Jul 2008
Posts: 1826
Location: Northwest Arkansas USA

PostPosted: Mon Apr 16, 2018 5:47 pm    Post subject: Reply with quote

Code:
 *--------------------------------------------------------------------*
 | 2      3567   356    | 9      46     4567   | 1      8      67     |
 | 49     67     1      | 8      3      7-6    | 49     2      5      |
 | 4579   5678   5689   |a16     126    12567  | 3      49     67     |
 *----------------------+----------------------+----------------------|
 | 8      13     4      | 2      16    b136    | 5      7      9      |
 | 15     2      35     |a13     7      9      | 8      6      4      |
 | 6      9      7      | 5      48     48     | 2      1      3      |
 *----------------------+----------------------+----------------------|
 | 1579   15678  5689   | 136    12689  12368  | 479    49     12     |
 | 179    167    2      | 4      5     b16     | 79     3      8      |
 | 3      4      89     | 7      1289   128    | 6      5      12     |
 *--------------------------------------------------------------------*
[(6=3)r35c4-(3=6)r48c6]-6r2c6; ste
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Mon Apr 16, 2018 11:38 pm    Post subject: Reply with quote

Code:
+-----------------+----------------+-----------+
| 2    357   356  | 9   46    457  | 1   8  67 |
| 49   67    1    | 8   3     67   | 49  2  5  |
| 4579 578   5689 | 16  126   1257 | 3   49 67 |
+-----------------+----------------+-----------+
| 8    13    4    | 2   16    13   | 5   7  9  |
| 15   2     35   | 13  7     9    | 8   6  4  |
| 6    9     7    | 5   48    48   | 2   1  3  |
+-----------------+----------------+-----------+
| 1579 1578 5689  | 136 12689 1238 | 479 49 12 |
| 179  167   2    | 4   5     16   | 79  3  8  |
| 3    4     89   | 7   1289  128  | 6   5  12 |
+-----------------+----------------+-----------+[


The above grid is after the 6 X-Wing

Kite (6) hinged b8
6r3c4=r8c2-(6=13)r84c6-(3=16)r53c4=> 6r3c4
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