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MM 1405 and 1407

 
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sun May 17, 2009 8:09 am    Post subject: MM 1405 and 1407 Reply with quote
#1405
Code:

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

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#1407
Code:

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

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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Sun May 17, 2009 5:18 pm    Post subject: Reply with quote
1405:
Quote:
Skyscraper 2


1407:
Quote:
ur 25
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sun May 17, 2009 5:55 pm    Post subject: Reply with quote
For #1405, another one step solution is
Quote:
a Type 3 UR 68 in r19c79 that forms a <13> subset that deletes <13> from r1c1.

and for #1307 a second one step solution is the same step as for #1405.
Quote:
a Type 3 UR19 in r29c13 that forms a <37> subset that deletes <3> from r9c9.

Ted

Edited: Type 2 UR changed to Type 3 UR
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Fri May 22, 2009 4:27 am    Post subject: Reply with quote
On 1405, one M-Wing on 23 did it.
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun May 24, 2009 4:26 am    Post subject: Reply with quote
On 1407, I looked around for something other than the UR on 25. There was a W-Wing on 37 which was connected by three strong links, followed by multi-coloring on 3 which finished it off.
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