| View previous topic :: View next topic |
| Author |
Message |
hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
|
 Posted: Tue Aug 18, 2015 9:56 am Post subject: Aug 18 VH |
 |
|
Given the number of posts recently I'm surprised no one has posted on
this one yet......
Er...After Basics:
| Code: |
+------------+-------+-------------+
| 5 2 18 | 9 4 7 | 18 6 3 |
| 3 7 14 | 6 5 8 | 14 2 9 |
| 6 48 9 | 3 1 2 | 458 7 58 |
+------------+-------+-------------+
| 7 148 468 | 2 9 5 | 3 148 168 |
| 19 3 56 | 8 7 4 | 2 19 156 |
| 89 458 2 | 1 3 6 | 58 489 7 |
+------------+-------+-------------+
| 2 158 58 | 4 6 9 | 7 3 18 |
| 18 9 7 | 5 2 3 | 6 18 4 |
| 4 6 3 | 7 8 1 | 9 5 2 |
+------------+-------+-------------+
|
Play this puzzle online at the Daily Sudoku site
I found: | Quote: | | An X wing on 1 opening a 49-8 XYZ wing pivot r6c8 so r6c7=5 |
Couldn't see a one stepper based on the usual VH wings
but I suspect there are several W wings, chains etc....
but I'm off for another coffee rather than hunting them down.
Hugh |
|
| Back to top |
|
 |
danw
Joined: 31 Jul 2012
Posts: 16
Location: Phoenixville, PA USA
|
| Posted: Tue Aug 18, 2015 1:07 pm Post subject: |
|
|
Found the same as Hugh and had a lot of fun as usual. I see that Hugh's basics are not quite complete, he did not eliminate the 1 from r5c9 that is key to the solution we both found. Like Hugh I believe someone else will come up with a one stepper.
cheers,
DanW |
|
| Back to top |
|
|
bat999
Joined: 09 Jul 2015
Posts: 55
Location: UK
|
| Posted: Tue Aug 18, 2015 1:50 pm Post subject: |
|
|
| Code: | .----------------.---------.-----------------.
| 5 2 18 | 9 4 7 | 18 6 3 |
| 3 7 14 | 6 5 8 | 14 2 9 |
| 6 d48 9 | 3 1 2 | b458 7 a58 |
:----------------+---------+-----------------:
| 7 d148 468 | 2 9 5 | 3 148 168 |
| 19 3 56 | 8 7 4 | 2 19 56 |
| 89 d458 2 | 1 3 6 | c58 489 7 |
:--------------+-----------+-----------------:
| 2 e158 e58 | 4 6 9 | 7 3 1-8 |
| 18 9 7 | 5 2 3 | 6 18 4 |
| 4 6 3 | 7 8 1 | 9 5 2 |
'----------------'---------'-----------------' |
(8=5)r3c9 - r3c7 = r6c7 - (5=481)r356c2 - (1=58)r7c23 => -8 r7c9; stte
 |
|
| Back to top |
|
|
JC Van Hay
Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
|
| Posted: Tue Aug 18, 2015 2:16 pm Post subject: |
|
|
| Code: | +----------------+---------+-----------------+
| 5 2 18 | 9 4 7 | 18 6 3 |
| 3 7 14 | 6 5 8 | 14 2 9 |
| 6 48 9 | 3 1 2 | 458 7 58 |
+----------------+---------+-----------------+
| 7 148 468 | 2 9 5 | 3 14(8) 168 |
| 19 3 56 | 8 7 4 | 2 19 56 |
| 9(8) 458 2 | 1 3 6 | 5-8 49(8) 7 |
+----------------+---------+-----------------+
| 2 158 58 | 4 6 9 | 7 3 18 |
| 1(8) 9 7 | 5 2 3 | 6 1(8) 4 |
| 4 6 3 | 7 8 1 | 9 5 2 |
+----------------+---------+-----------------+
The solutions of 8C18 exclude 8r6c7; stte |
|
|
| Back to top |
|
|
Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
|
| Posted: Tue Aug 18, 2015 11:49 pm Post subject: |
|
|
| JC Van Hay wrote: | | Code: | +----------------+---------+-----------------+
| 5 2 18 | 9 4 7 | 18 6 3 |
| 3 7 14 | 6 5 8 | 14 2 9 |
| 6 48 9 | 3 1 2 | 458 7 58 |
+----------------+---------+-----------------+
| 7 148 468 | 2 9 5 | 3 14(8) 168 |
| 19 3 56 | 8 7 4 | 2 19 56 |
| 9(8) 458 2 | 1 3 6 | 5-8 49(8) 7 |
+----------------+---------+-----------------+
| 2 158 58 | 4 6 9 | 7 3 18 |
| 1(8) 9 7 | 5 2 3 | 6 1(8) 4 |
| 4 6 3 | 7 8 1 | 9 5 2 |
+----------------+---------+-----------------+
The solutions of 8C18 exclude 8r6c7; stte |
|
JC played a Finned X-Wing without specifying the technique. |
|
| Back to top |
|
|
rmireland
Joined: 21 Sep 2013
Posts: 33
Location: New Orleans
|
| Posted: Wed Aug 19, 2015 3:34 pm Post subject: |
|
|
| I don't know what to call it, but the 58 pairs in r3c9 and r7c3 (acting as pincers) are linked together by the 56 pairs in r5c39 (acting as the pivot), so -8r7c9. It works like an XY wing, but the pivot is a pair of cells instead of a single cell. |
|
| Back to top |
|
|
Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
|
| Posted: Wed Aug 19, 2015 11:42 pm Post subject: |
|
|
| rmireland wrote: | | I don't know what to call it, but the 58 pairs in r3c9 and r7c3 (acting as pincers) are linked together by the 56 pairs in r5c39 (acting as the pivot), so -8r7c9. It works like an XY wing, but the pivot is a pair of cells instead of a single cell. |
Good find. What you have there is a W-Wing. The strong link on 5 in r5 proves that one or the other of r3c9 and r7c3 must be=8. |
|
| Back to top |
|
|
|
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
