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immpy
Joined: 06 May 2017
Posts: 571
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 Posted: Fri Nov 30, 2018 2:07 pm Post subject: In light of recent VHs that are only H..... |
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I post this puzzle (a VH+) because of recent VH puzzles that can be solved basically. You will need more than "our" standard VHs usually require, but only minimally I think. This particular puzzle gave me fits, personally, but it was because I simply didn't "see" the patterns. SO.....just push those brains a bit; maybe a Skyscraper, maybe a Hidden Rectangle......maybe something else (a Uniqueness Test)....and it can be done. But, also look for the VH staples, i.e. X-Wing, XY-Wing, XYZ-Wing, etc. This was a good one...
| Code: |
+-------+-------+-------+
| 2 9 1 | . 8 . | . . . |
| 7 6 . | . . . | . . . |
| . . 3 | 1 . . | . . . |
+-------+-------+-------+
| . 5 7 | . . 8 | . 4 . |
| 8 . 6 | . 4 . | 1 . 5 |
| . 4 . | 5 . . | 8 2 . |
+-------+-------+-------+
| . . . | . . 7 | 6 . . |
| . . . | . . . | . 7 2 |
| . . . | . 6 . | 4 8 3 |
+-------+-------+-------+
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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: 1111
Location: Dar es Salaam Tanzania
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| Posted: Sun Dec 02, 2018 8:51 pm Post subject: In light of recent VHs that are only H.... |
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| Code: |
+----------------+------------------------+-----------------+
| 2 9 1 | 6 8 (d35) | 7 (c35) 4 |
| 7 6 45 | 349 39-5 2459-3| 235 1 8 |
| 45 8 3 | 1 7 245 | 25 6 9 |
+----------------+------------------------+-----------------+
| 13 5 7 | 239 1239 8 | 39 4 6 |
| 8 2 6 | 7 4 (39) | 1 (39) 5 |
| 13 4 9 | 5 13 6 | 8 2 7 |
+----------------+------------------------+-----------------+
| 49 3 248 | 2489 a259 7 | 6 b59 1 |
| 6 1 48 | 3489 359 49-35 | 59 7 2 |
| 59 7 25 | 29 6 1 | 4 8 3 |
+----------------+------------------------+-----------------+
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Skyscraper (5)rc68&r7c58
(5)r7c5 = r7c8 - r1c8 = r1c6 => - 5r2c5,r8c6
X-Wing (3)r16c68 => - 3r28c6 leads to:
| Code: |
+----------------+----------------------+----------------+
| 2 9 1 | 6 8 35 | 7 35 4 |
| 7 6 45 | 349 39 2459 | 235 1 8 |
| 45 8 3 | 1 7 245 | 25 6 9 |
+----------------+----------------------+----------------+
| 13 5 7 | 239 1239 8 |c39 4 6 |
| 8 2 6 | 7 4 a39 | 1 b39 5 |
| 13 4 9 | 5 13 6 | 8 2 7 |
+----------------+----------------------+----------------+
| 49 3 248 | 2489 259 7 | 6 59 1 |
| 6 1 48 | 3489 359 4-9 |d59 7 2 |
| 59 7 25 | 29 6 1 | 4 8 3 |
+----------------+----------------------+----------------+
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A Kite
(9)r5c6 = r5c8 - r4c7 = r8c7 => - 9r8c6; stte |
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