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Puzzle (#63) 11/12/30: Three of Four

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Fri Dec 30, 2011 4:29 pm    Post subject: Puzzle (#63) 11/12/30: Three of Four Reply with quote

Not as difficult as the previous puzzle. After you get past all of the basics, there is a single-stepper solution.

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

Play this puzzle online at the Daily Sudoku site
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JC Van Hay



Joined: 13 Jun 2010
Posts: 364
Location: Charleroi, Belgium

PostPosted: Fri Dec 30, 2011 5:52 pm    Post subject: Reply with quote

DP(12)r35c12=[8r5c1=8r5c2] : -8r4c23.r5c9; stte

Or
Code:
+--------------------+------------+-----------------+
| 368    368  3678   | 2     4  5 | 9     1     378 |
| 8(35)  59   789(3) | (38)  1  6 | 4     7(3)  2   |
| 12     12   4      | 3(8)  9  7 | (58)  356   368 |
+--------------------+------------+-----------------+
| 4      368  368    | 5     7  2 | (68)  9     1   |
| 128    128  5      | 9     6  4 | 7     (23)  38  |
| 9      7    26     | 1     3  8 | (26)  4     5   |
+--------------------+------------+-----------------+
| 238    238  1238   | 4     5  9 | 123   67    67  |
| 7      59   129    | 6     8  3 | 125   25    4   |
| 36(5)  4    6-3    | 7     2  1 | (35)  8     9   |
+--------------------+------------+-----------------+

Kraken 3R2 => -3r9c3; stte

(3=5)r9c7-[5r9c1=5r2c1 AND (5=8)r3c7-8r3c4=8r2c4 AND (5=268)r346c7-(2=3)r5c8]-3r2c148=3r2c3 : -3r9c3; stte
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Sat Dec 31, 2011 5:07 pm    Post subject: Reply with quote

Code:
 after several basics
 +--------------------------------------------------------------+
 |  368   368   3678  |  2     4     5     |  9     1     378   |
 |  358   59    3789  |  38    1     6     |  4     37    2     |
 | *12   *12    4     |  38    9     7     |  58    356   368   |
 |--------------------+--------------------+--------------------|
 |  4     368   368   |  5     7     2     |  68    9     1     |
 | *12+8 *12+8  5     |  9     6     4     |  7     23    38    |
 |  9     7     26    |  1     3     8     |  26    4     5     |
 |--------------------+--------------------+--------------------|
 |  238   238   1238  |  4     5     9     |  123   67    67    |
 |  7     59    129   |  6     8     3     |  125   25    4     |
 |  356   4     36    |  7     2     1     |  35    8     9     |
 +--------------------------------------------------------------+
 # 59 eliminations remain

 r35c12  <12> UR Type 2.2233             <> 8    r4c23,r5c9   -or-
 r35c12  <12> UR Type 3.2233             <> various           -or-
 r35c12  <12> UR Type 4.2233             <> 2    r5c12

Since the fourth puzzle is more difficult than the first three, I'm not going to post it.
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Marty R.



Joined: 12 Feb 2006
Posts: 5121
Location: Rochester, NY, USA

PostPosted: Sat Dec 31, 2011 11:56 pm    Post subject: Reply with quote

I used the 12 UR.
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