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immpy
Joined: 06 May 2017 Posts: 574
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Posted: Tue Oct 11, 2022 6:33 pm Post subject: VH+ 101122 |
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Hello all, enjoy the puzzle.
| Code: |
+-------+-------+-------+
| . . . | . . . | 8 . 6 |
| . . . | 5 . . | . 3 . |
| . 6 2 | 8 3 . | . . . |
+-------+-------+-------+
| . . 9 | . 2 . | . . 3 |
| . 2 6 | 9 8 5 | 7 4 . |
| 4 . . | . 7 . | 2 . . |
+-------+-------+-------+
| . . . | . 1 8 | 6 5 . |
| . 7 . | . . 4 | . . . |
| 2 . 5 | . . . | . . . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site
cheers...immp |
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Clement
Joined: 24 Apr 2006 Posts: 1113 Location: Dar es Salaam Tanzania
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Posted: Mon Oct 17, 2022 7:53 pm Post subject: |
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Can't find a single step. Five steps | Code: |
+-------------------+--------------------+--------------------+
| 5 39-4^ 37-4^| 17 49 1279 | 8 1279 6 |
| 8 49 47 | 5 469 12679 | 19 3 279 |
| 1 6 2 | 8 3 79 | 4 79 5 |
+-------------------+--------------------+--------------------+
| 7 18* 9 | 4 2 16 | 5 68* 3 |
| 3 2 6 | 9 8 5 | 7 4 1 |
| 4 5 18 | 136 7 136 | 2 69-8 89 |
+-------------------+--------------------+--------------------+
| 9 34^ 34^ | 27 1 8 | 6 5 27 |
| 6 7 18 | 23 5 4 | 139 129-8 289|
| 2 18* 5 | 367 69 3679 | 13 178* 4 |
+-------------------+--------------------+--------------------+
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Step 1: X-Wing on (8)r49c28 => - 8r68c8 and
Step 2: Type 4 UR(34)r17c23 => - 4r1c23
| Code: |
+---------------+--------------------+--------------------+
| 5 39 37 | 17 4 1279 | 8 1279 6 |
| 8 a49 a47 | 5 69 12679 | a19 3 29-7|
| 1 6 2 | 8 3 79 | 4 79 5 |
+---------------+--------------------+--------------------+
| 7 18 9 | 4 2 16 | 5 68 3 |
| 3 2 6 | 9 8 5 | 7 4 1 |
| 4 5 18 | 136 7 136 | 2 69 89 |
+---------------+--------------------+--------------------+
| 9 34 34 |e27 1 8 | 6 5 f27 |
| 6 7 18 |d23 5 4 | c139 129 289 |
| 2 18 5 | 367 69 3679 | b13 178 4 |
+---------------+--------------------+--------------------+
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Step 3: (7=491)r2c327 - (1=3)r9c7 - r8c7 = (3-2)r8c4 = r7c4 - (2=7)r7c9 => -7r2c9
| Code: |
+---------------+--------------------+--------------------+
| 5 39 37 |a17 4 1279 | 8 279-1 6 |
| 8 49 47 | 5 69 12679 | 19 3 29 |
| 1 6 2 | 8 3 79 | 4 79 5 |
+---------------+--------------------+--------------------+
| 7 18 9 | 4 2 16 | 5 c68 3 |
| 3 2 6 | 9 8 5 | 7 4 1 |
| 4 5 18 |b16 7 3 | 2 c69 89 |
+---------------+--------------------+--------------------+
| 9 34 34 | 2 1 8 | 6 5 7 |
| 6 7 18 | 3 5 4 | 19 129 289 |
| 2 18 5 | 67 69 679 | 3 c18 4 |
+---------------+--------------------+--------------------+
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Step 4: (1)r1c4 = (1-6)r6c4 = (681)r649c8 => - 1r1c8
| Code: |
+---------------+------------------+-----------------+
| 5 39 37 | 1-7 4 1279 | 8 a279 6 |
| 8 49 47 | 5 6 279 | 1 3 29 |
| 1 6 2 | 8 3 79 | 4 b79 5 |
+---------------+------------------+-----------------+
| 7 18 9 | 4 2 16 | 5 68 3 |
| 3 2 6 | 9 8 5 | 7 4 1 |
| 4 5 18 |d16 7 3 | 2 c69 89 |
+---------------+------------------+-----------------+
| 9 34 34 | 2 1 8 | 6 5 7 |
| 6 7 18 | 3 5 4 | 9 12 28 |
| 2 18 5 | 67 9 67 | 3 18 4 |
+---------------+------------------+-----------------+
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Step 5: (7)r1c8 = (7-9)r3c8 = (9-6)r6c8 = (6-1)r6c4 = (1)r1c4 => - 7r1c4; stte |
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dongrave
Joined: 06 Mar 2014 Posts: 572
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Posted: Wed Oct 19, 2022 12:57 pm Post subject: |
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| I had a real tough time with this one immp! If r2c2=9, I finally found a brutally long chain that lead to 2 6's in box 5 and then if r4c8=8, I found a much shorter chain that lead to 2 9's in column 6 which solved it! Thanks! |
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