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immpy
Joined: 06 May 2017
Posts: 574
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 Posted: Sun Jun 11, 2017 2:28 pm Post subject: VH+ 061117 |
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Enjoy the puzzle........
| Code: |
+-------+-------+-------+
| . . . | . 3 . | . 9 1 |
| . . . | . 9 . | 3 . 2 |
| . . . | 8 . . | 6 7 5 |
+-------+-------+-------+
| . . . | 2 6 . | . . . |
| 8 . 7 | . . 4 | . . 3 |
| . 2 . | . . 8 | 4 1 . |
+-------+-------+-------+
| . 4 8 | 6 . . | . . . |
| 1 7 . | 3 . . | . . . |
| 6 3 5 | . 8 . | . . . |
+-------+-------+-------+
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Play this puzzle online at the Daily Sudoku site |
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
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| Posted: Sun Jun 11, 2017 7:26 pm Post subject: |
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Hi immpy,
| Code: |
+------------+------------+-----------+
| 257 56 26 | 4 3 57 | 8 9 1 |
| 57 8 1 | 57 9 6 | 3 4 2 |
| 34 9 34 | 8 2 1 | 6 7 5 |
+------------+------------+-----------+
| 459 1 49 | 2 6 3 | 79 58 789 |
| 8 56 7 | 9 1 4 | 2 56 3 |
| 39 2 369 | 57 57 8 | 4 1 69 |
+------------+------------+-----------+
| 29 4 8 | 6 57 2579 | 1 3 79 |
| 1 7 29 | 3 4 29 | 5 68 68 |
| 6 3 5 | 1 8 79 | 79 2 4 |
+------------+------------+-----------+
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Play this puzzle online at the Daily Sudoku site
I used this option
| Quote: | | XY-Chain r7c1 2,9 - r7c9 9,7 - r9c7 7,9 - r9c6 9,7 - r1c6 7,5 - r1c2 5,6 - r1c3 6,2 and -2 in r1c1,r8c3. |
Ciao Gianni |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Sun Jun 11, 2017 9:12 pm Post subject: |
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Hi everyone
Discontinuous nice loop (7)R2C6-(7=5)R2C1-(5=6)R1C2-(6)R1C6=(6)R2C6=>-7 R2C6
Discontinuous nice loop (9)R8C9-(9=6)R6C9-(5=6)R5C8-(5=8)R4C8-(8)R4C9=(8)R8C9=>-9R8C9
Discontinuous nice loop (4-8)R8C9=(8)R4C9-(8=5)R4C8-(5=6)R5C8-(6)R8C8=(6)R8C9=>-4R8C9
Discontinuous nice loop (5)R5C4-(5=6)R5C8-(6=9)R6C9-(9)R6C4=(9)R5C4=>-5R5C4
Discontinuous nice loop (5)R4C2-(5=6)R1C2-(6=1)R2C3-(1)R4C3-(1)R4C2=>-5R4C2
Discontinuous nice loop (1)R5C4-(1=5)R5C5-(5=6)R5C8-(6=9)R6C9-(9)R6C4=(9)R5C4=>-1R5C4
| Code: |
+-----------+------------+-----------+
| 257 56 26 | 4 3 57 | 8 9 1 |
| 57 8 1 | 57 9 6 | 3 4 2 |
| 4 9 3 | 8 2 1 | 6 7 5 |
+-----------+------------+-----------+
| 59 1 4 | 2 6 3 | 79 58 789 |
| 8 56 7 | 9 1 4 | 2 56 3 |
| 39 2 69 | 57 57 8 | 4 1 69 |
+-----------+------------+-----------+
| 29 4 8 | 6 57 2579 | 1 3 79 |
| 1 7 29 | 3 4 29 | 5 68 68 |
| 6 3 5 | 1 8 79 | 79 2 4 |
+-----------+------------+-----------+
|
Play this puzzle online at the Daily Sudoku site
Discontinuous nice loop (2)R1C1-(2)R1C3=(2)R8C3-(2)R8C6=(2-5)R7C6=(5-7)R7C5=(7)R6C5-(7)R6C4=(7)R2C4-(7)R1C6=(7)R1C1-(1)R1C1-=>-2R1C1=>stte
Ciao a tutti |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Mon Jun 12, 2017 12:37 am Post subject: |
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I thought I posted my solution earlier, but I guess not. A senior moment.
| Code: |
+------------+------------+-----------+
| 257 56 26 | 4 3 57 | 8 9 1 |
| 57 8 1 | 57 9 6 | 3 4 2 |
| 34 9 34 | 8 2 1 | 6 7 5 |
+------------+------------+-----------+
| 459 1 49 | 2 6 3 | 79 58 789 |
| 8 56 7 | 9 1 4 | 2 56 3 |
| 39 2 369 | 57 57 8 | 4 1 69 |
+------------+------------+-----------+
| 29 4 8 | 6 57 2579 | 1 3 79 |
| 1 7 29 | 3 4 29 | 5 68 68 |
| 6 3 5 | 1 8 79 | 79 2 4 |
+------------+------------+-----------+
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Play this puzzle online at the Daily Sudoku site
Deadly Pattern (57)
r1c16
r2c14
r6c45
r7c56
29r7c6=2r1c1
29r7c6 forms pair with r6c1=> -9=7r7c9
2r1c1-(2=9)r7c1-(9=7)r7c9=> 7r7c9 |
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dongrave
Joined: 06 Mar 2014
Posts: 572
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| Posted: Mon Jun 12, 2017 2:09 pm Post subject: |
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I enjoy trying to find one step solutions but I'm a REAL amateur so they take me a long time! Someone let me know if my chain is not valid or if the eureka notation is wrong. (It doesn't look right to me.)
5r1c2-r1c6=(5-2)r7c6=r7c1-(257={})r1c1; |
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JC Van Hay
Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
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| Posted: Mon Jun 12, 2017 2:58 pm Post subject: |
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| dongrave wrote: | | ... if the eureka notation is wrong. (It doesn't look right to me.) 5r1c2-r1c6=(5-2)r7c6=r7c1-(257={})r1c1; |
5r1c2 -> 7r1c6, 5r7c6, 2r7c1; r1c1={} or in Eureka
| Code: | +-----------------+----------------+-------------+
| (257) 6-5 26 | 4 3 (57) | 8 9 1 |
| 57 8 1 | 57 9 6 | 3 4 2 |
| 34 9 34 | 8 2 1 | 6 7 5 |
+-----------------+----------------+-------------+
| 459 1 49 | 2 6 3 | 79 58 789 |
| 8 56 7 | 9 1 4 | 2 56 3 |
| 39 2 369 | 57 57 8 | 4 1 69 |
+-----------------+----------------+-------------+
| 9(2) 4 8 | 6 57 79(25) | 1 3 79 |
| 1 7 29 | 3 4 29 | 5 68 68 |
| 6 3 5 | 1 8 79 | 79 2 4 |
+-----------------+----------------+-------------+
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NP(57)r1c16=2r1c1-2r7c1=(2-5)r7c6=5r1c6 -> 5r1c1==5r1c6 => -5r1c2; stte |
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immpy
Joined: 06 May 2017
Posts: 574
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| Posted: Tue Jun 13, 2017 9:02 am Post subject: |
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I am terrible with the Eureka notation. My path was the XY Wing (349), with the pivot at r4c3(49) and pincers at r3c3(34) and r6c1(39). This meant that r3c1<>3 and r6c3<>3. This lead to a Finned X-Wing for (9) in rows 4 and 7, columns 1 and 9 with the fin at r6c9. If either the X-Wing OR the fin was true then r4c7<>9. Basics took me home from there.
Really enjoy reading and applying the various solving techniques everyone that posted used. I learn more everyday.
Thank you all. |
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