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MM 1533 sep-20-2009

 
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sun Sep 20, 2009 6:36 pm    Post subject: MM 1533 sep-20-2009 Reply with quote
000670290000300008000024000005200301030000080201009500000910000500703000096005000

Code:

+-------+-------+-------+
| . . . | 6 7 . | 2 9 . |
| . . . | 3 . . | . . 8 |
| . . . | . 2 4 | . . . |
+-------+-------+-------+
| . . 5 | 2 . . | 3 . 1 |
| . 3 . | . . . | . 8 . |
| 2 . 1 | . . 9 | 5 . . |
+-------+-------+-------+
| . . . | 9 1 . | . . . |
| 5 . . | 7 . 3 | . . . |
| . 9 6 | . . 5 | . . . |
+-------+-------+-------+

open in draw/play


open in andrew stuarts online solver
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Sun Sep 20, 2009 9:46 pm    Post subject: Reply with quote
A nice one stepper
Code:
 *-----------------------------------------------------------*
 | 134   15    34    | 6     7     8     | 2     9     45    |
 | 467   25    247   | 3     9     1     | 467   4567  8     |
 | 8     67    9     | 5     2     4     | 167   1367  367   |
 |-------------------+-------------------+-------------------|
 | 9     678   5     | 2     48    67    | 3     467   1     |
 | 467   3     47    | 1     5     67    | 9     8     2     |
 | 2     678   1     | 48    3     9     | 5     467   467   |
 |-------------------+-------------------+-------------------|
 | 37    4     378   | 9     1     2     | 678   3567  3567  |
 | 5     12    28    | 7     6     3     | 148   14    9     |
 | 137   9     6     | 48    48    5     | 17    2     37    |
 *-----------------------------------------------------------*
(3)r3c8=(3)r3c9-(3=7)r9c9-(7=1)r9c7-(1=4)r8c8-(4)r8c7=(4)r2c7-(4=5)r1c9-(5)r7c9=(5-3)r7c8=(3)r3c8 => r3c8=3

I hope my coding is right. Good puzzle! Very Happy
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Mon Sep 21, 2009 4:39 am    Post subject: Reply with quote
a little shorter

Code:
+-----------------+------------+-------------------+
| 134  -5(1)  34  | 6   7   8  | 2      9     (45) |
| 467  25     247 | 3   9   1  | 67(4)  4567  8    |
| 8    67     9   | 5   2   4  | 167    1367  367  |
+-----------------+------------+-------------------+
| 9    678    5   | 2   48  67 | 3      467   1    |
| 467  3      47  | 1   5   67 | 9      8     2    |
| 2    678    1   | 48  3   9  | 5      467   467  |
+-----------------+------------+-------------------+
| 37   4      378 | 9   1   2  | 678    3567  3567 |
| 5    2(1)   28  | 7   6   3  | 18(4)  (14)  9    |
| 137  9      6   | 48  48  5  | 17     2     37   |
+-----------------+------------+-------------------+

(5=4)r1c9 - (4)r2c7 = (4)r8c7 - (4=1)r8c8 - (1)r8c2 = (1)r1c2; r1c2 <> 5
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Tue Sep 22, 2009 8:02 am    Post subject: Reply with quote
arkietech wrote:
A nice one stepper
Code:
 *-----------------------------------------------------------*
 | 134   15    34    | 6     7     8     | 2     9     45    |
 | 467   25    247   | 3     9     1     | 467   4567  8     |
 | 8     67    9     | 5     2     4     | 167   1367  367   |
 |-------------------+-------------------+-------------------|
 | 9     678   5     | 2     48    67    | 3     467   1     |
 | 467   3     47    | 1     5     67    | 9     8     2     |
 | 2     678   1     | 48    3     9     | 5     467   467   |
 |-------------------+-------------------+-------------------|
 | 37    4     378   | 9     1     2     | 678   3567  3567  |
 | 5     12    28    | 7     6     3     | 148   14    9     |
 | 137   9     6     | 48    48    5     | 17    2     37    |
 *-----------------------------------------------------------*
(3)r3c8=(3)r3c9-(3=7)r9c9-(7=1)r9c7-(1=4)r8c8-(4)r8c7=(4)r2c7-(4=5)r1c9-(5)r7c9=(5-3)r7c8=(3)r3c8 => r3c8=3

I hope my coding is right. Good puzzle! Very Happy


Dan, I plugged your chain into xsudo and it works!
this is what it looks like.
notice that you could have stopped your chain at r7c8.

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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Tue Sep 22, 2009 10:37 am    Post subject: Reply with quote
storm_norm wrote:
Dan, I plugged your chain into xsudo and it works!
this is what it looks like.
notice that you could have stopped your chain at r7c8.

I'm not familiar with Xsudo or its graphics, but I'll be darned if I can find this link displayed in your representation of Dan's chain.

(3)r3c9-(3=7)r9c9
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Tue Sep 22, 2009 12:27 pm    Post subject: Reply with quote
storm_norm wrote:
[Dan, I plugged your chain into xsudo and it works!
this is what it looks like.
notice that you could have stopped your chain at r7c8.
Cool! Very Happy I down loaded xsudo but have not yet figured out how to use it. Nice graphics!
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Tue Sep 22, 2009 5:41 pm    Post subject: Reply with quote
daj95376 wrote:
storm_norm wrote:
Dan, I plugged your chain into xsudo and it works!
this is what it looks like.
notice that you could have stopped your chain at r7c8.

I'm not familiar with Xsudo or its graphics, but I'll be darned if I can find this link displayed in your representation of Dan's chain.

(3)r3c9-(3=7)r9c9


yes, for some reason, Xsudo likes to link up the chain in a different way. and since Dan's chain is so long, Xsudo is finding a reduced version of the chain.
so here is what is happening...
I am using the T in the "CAT" at the top to plug in the chain.


and this is what the chain looks like before the program is told to look for eliminations.



then you can either click on the A in CAT, which will link up the chain automatically, or go into the "tools" menu and click on "find all eliminations"

and this is what happens.



now notice that the link from (3)r3c8=(3)r3c9 is made useless...
and the link (3)r3c9 - (3)r9c9 is removed...
Xsudo basically wrote the chain with what it thought was the best reduced version, I guess. I am still getting use to the program also. I am not sure how to show an elimination without the program actively searching for one.

Dan's chain is shortened to...
(3=7)r9c9-(7=1)r9c7-(1=4)r8c8-(4)r8c7=(4)r2c7-(4=5)r1c9-(5)r7c9=(5)r7c8
and if the chain started from (7=1)r9c7 then the 7 is eliminated from r7c8
and the short chain (7=1)r9c7 - (4=1)r8c8 - (4)r7c7 = (4)r2c3
eliminates 7 from r2c3.
Shocked all of that in Dan's big chain
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Sep 26, 2009 12:38 am    Post subject: Reply with quote
I can always turn a one-stepper into a three-stepper and this was no exception. There was an ER on 3, then a DP on 34-37-47 set r1c3 = 3. A W-Wing on 14 with pincer transport finished it off.
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