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Free Press March 22, 2013

 
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keith



Joined: 19 Sep 2005
Posts: 3165
Location: near Detroit, Michigan, USA

PostPosted: Fri Mar 22, 2013 3:58 pm    Post subject: Free Press March 22, 2013 Reply with quote

Code:
Puzzle: FP032213
+-------+-------+-------+
| 9 3 . | 7 . 5 | . . . |
| 7 . . | . 6 4 | . . 2 |
| . . 6 | . . . | . . . |
+-------+-------+-------+
| . . . | . . . | 5 . 8 |
| . . 8 | 5 . 6 | 1 . . |
| 4 . 9 | . . . | . . . |
+-------+-------+-------+
| . . . | . . . | 6 . . |
| 8 . . | 6 7 . | . . 4 |
| 5 . . | 3 . 9 | . 7 . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

Keith
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Marty R.



Joined: 12 Feb 2006
Posts: 5160
Location: Rochester, NY, USA

PostPosted: Sat Mar 23, 2013 12:10 am    Post subject: Reply with quote

Code:

+----------------+------------------+--------------+
| 9   3    12    | 7    128   5     | 4   18   6   |
| 7   8    5     | 19   6     4     | 39  139  2   |
| 12  4    6     | 1289 12389 1238  | 7   189  5   |
+----------------+------------------+--------------+
| 6   127  1237  | 249  2349  237   | 5   2349 8   |
| 23  27   8     | 5    2349  6     | 1   2349 379 |
| 4   5    9     | 128  1238  12378 | 23  6    37  |
+----------------+------------------+--------------+
| 123 1279 12347 | 1248 5     128   | 6   239  39  |
| 8   129  123   | 6    7     12    | 239 5    4   |
| 5   6    24    | 3    24    9     | 8   7    1   |
+----------------+------------------+--------------+

Play this puzzle online at the Daily Sudoku site

I've wasted too much time on this. I see an X-Wing on 2 and a Finned X-Wing on 3, but see nothing that will do any good.
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keith



Joined: 19 Sep 2005
Posts: 3165
Location: near Detroit, Michigan, USA

PostPosted: Sat Mar 23, 2013 2:04 am    Post subject: Reply with quote

Marty,

After the X-Wing:
W-wing 12-24-24-12
XY-wing 1-29.

Keith
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JC Van Hay



Joined: 13 Jun 2010
Posts: 368
Location: Charleroi, Belgium

PostPosted: Sat Mar 23, 2013 6:03 am    Post subject: Reply with quote

#1. Singles + Locked Candidates; U41

Solving the XWing(2R19) ...
Code:
+---------------------+--------------------+--------------------+
| 9    3     12       | 7     128    5     | 4      18    6     |
| 7    8     5        | 19    6      4     | (39)   139   2     |
| 12   4     6        | 1289  12389  1238  | 7      189   5     |
+---------------------+--------------------+--------------------+
| 6    127   12(37)   | 249   2349   237   | 5      2349  8     |
| 23   2(7)  8        | 5     2349   6     | 1      2349  39(7) |
| 4    5     9        | 128   1238   12378 | 2(3)   6     (37)  |
+---------------------+--------------------+--------------------+
| 123  1279  -124(37) | 1248  5      128   | 6      239   (39)  |
| 8    129   12(3)    | 6     7      12    | 2(39)  5     4     |
| 5    6     24       | 3     24     9     | 8      7     1     |
+---------------------+--------------------+--------------------+

#2. Chain[7] : 7r7c3=7r4c3-7r5c2=7r5c9-(7=3)r6c9-[3r6c7 and (3=9)r7c9-9r8c7=(9-3)r2c7]=3r8c7-3r8c3=HP(37)r47c3 :=> -124r7c3 (r9c3=4,r9c5=2);stte
Or as a Kraken 3C7 ... -> 7r7c3=HP(37)r47c3 :=> -124r7c3; stte
Code:
(3-9)r2c7=9r8c7-(9=3)r7c9-(3=7)r6c9-7r5c9=7r5c2-7r4c3=7r7c3
||
3r6c7---------------------(3=7)r6c9-7r5c9=7r5c2-7r4c3=7r7c3
||
3r8c7-3r8c3=HP(37)r47c3
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