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immpy
Joined: 06 May 2017 Posts: 571
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Posted: Mon Mar 15, 2021 4:44 pm Post subject: Extreme 031521 |
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Hello all, enjoy the puzzle...
Code: |
+-------+-------+-------+
| . 3 9 | . . . | . . . |
| 6 . 4 | 3 8 . | . . . |
| . 5 1 | 9 . 2 | . . . |
+-------+-------+-------+
| . . . | 4 9 . | 5 . . |
| . . . | 2 . 8 | . 3 . |
| . . . | . 3 6 | 7 2 . |
+-------+-------+-------+
| . 1 7 | 8 . . | . 6 5 |
| . . 8 | . . . | 3 . 4 |
| 5 . . | . . . | . 7 . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site
cheers...immp |
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dongrave
Joined: 06 Mar 2014 Posts: 568
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Posted: Tue Mar 16, 2021 2:39 pm Post subject: |
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Code: | +-------------+--------------+----------------+
| 278 3 9 | 57 1467 145 | 1268 1458 1278 |
| 6 27 4 | 3 8 15 | 129 159 127 |
| 78 5 1 | 9 467 2 | 68 48 3 |
+-------------+--------------+----------------+
| 123 28 23 | 4 9 7 | 5 18 6 |
| 179 79 6 | 2 5 8 | 4 3 19 |
| 49 489 5 | 1 3 6 | 7 2 89 |
+-------------+--------------+----------------+
| 2349 1 7 | 8 24 349 | 29 6 5 |
| 29 6 8 | 57 127 159 | 3 19 4 |
| 5 249 23 | 6 124 1349 | 1289 7 128 |
+-------------+--------------+----------------+
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(7-2)r2c2=r1c1-(2=9)r8c1-(9=1)r8c8-(1=8)r4c8-(8=4)r3c8-(148=5)r1c8-(5=7)r1c4-r1c9=r2c9 contradiction => r2c2 <> 7; stte. |
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Clement
Joined: 24 Apr 2006 Posts: 1111 Location: Dar es Salaam Tanzania
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Posted: Wed Mar 17, 2021 3:57 pm Post subject: Extreme 031521 |
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Code: |
+-----------------+-------------------+-----------------------+
| 278 3 9 |a57 1467 145 | 1268 jf148-5 1278 |
| 6 27 4 | 3 8 15 | 129 159 127 |
| 78 5 1 | 9 h467 2 |g68 if48 3 |
+-----------------+-------------------+-----------------------+
| 123 d28 d23 | 4 9 7 | 5 e18 6 |
| 179 79 6 | 2 5 8 | 4 3 19 |
| 49 489 5 | 1 3 6 | 7 2 89 |
+-----------------+-------------------+-----------------------+
| 2349 1 7 | 8 24 349 | 29 6 5 |
|b29 6 8 |b57 127 b159 | 3 b19 4 |
| 5 249 c23 | 6 124 1349 | 1289 7 128 |
+-----------------+-------------------+-----------------------+
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(5=7*)r1c4 - (7=51|92)r8c4682 - (2)r8c3 = (28)r4c32 - (8)r4c8 = r13c8 - (8=6*)r3c7 - 7*6*=4)r3c5 - (4)r3c8 = (4)r1c8 => - 5r1c8; stte |
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