Collection May 13, 2013

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Collection May 13, 2013

Postby ArkieTech » Mon May 13, 2013 12:11 am

Code: Select all
 *-----------*
 |...|.2.|...|
 |.5.|...|.9.|
 |..7|3.8|6..|
 |---+---+---|
 |76.|8.2|.49|
 |.34|.1.|86.|
 |...|...|...|
 |---+---+---|
 |1..|...|..5|
 |.7.|...|.8.|
 |98.|5.4|.31|
 *-----------*


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dan
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Re: Collection May 13, 2013

Postby Leren » Mon May 13, 2013 1:19 am

Code: Select all
*--------------------------------------------------------------*
| 3468 a149   1389   | 14679 2     15679  | 1357  157   3478   |
| 23468 5     1238   | 1467  467   167    | 1237  9     23478  |
|b24   c19    7      | 3     59    8      | 6     15    24     |
|--------------------+--------------------+--------------------|
| 7     6     15     | 8     35    2      | 135   4     9      |
| 5-2   3     4      | 79    1     579    | 8     6     27     |
| 58-2 d129   12589  | 467   467   3567   | 12357 1257  237    |
|--------------------+--------------------+--------------------|
| 1     24    236    | 2679  8     3679   | 49    27    5      |
| 2345  7     235    | 129   39    139    | 49    8     6      |
| 9     8     26     | 5     67    4      | 27    3     1      |
*--------------------------------------------------------------*

WXY-Z wing (491-2) Pivot r2c2, Pincers r3c12, r6c2 => -2 r56c1; stte

Leren

Alternatively

M Wing Type 7A: (2=4) r3c1 - r1c2 = (4-2) r7c2 = r6c2 => -2 r56c1 or

M Wing Type 7B: (2=4) r3c1 - r8c1 = (4-2) r7c2 = r6c2 => -2 r56c1

Leren
Last edited by Leren on Mon May 13, 2013 4:38 am, edited 1 time in total.
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Re: Collection May 13, 2013

Postby 7b53 » Mon May 13, 2013 3:00 am

(5=3)r4c5 - (3=9)r8c5 - (9=4)r8c7 = (4-2)r7c2 = r6c2 - (2=5)r5c1 => r4c3, r5c6 <> 5
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Re: Collection May 13, 2013

Postby pjb » Mon May 13, 2013 3:57 am

(4=2) r7c2 - r7c8 = r6c8 - r5c9 = r5c1 - (2=4) r3c1 => -4r1c2, -4r8c1; stte

Phil
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Re: Collection May 13, 2013

Postby Marty R. » Mon May 13, 2013 7:53 pm

Code: Select all
+-----------------+-----------------+------------------+
| 3468  149 1389  | 14679 2   15679 | 1357  157  3478  |
| 23468 5   1238  | 1467  467 167   | 1237  9    23478 |
| 24    19  7     | 3     59  8     | 6     15   24    |
+-----------------+-----------------+------------------+
| 7     6   15    | 8     35  2     | 135   4    9     |
| 25    3   4     | 79    1   579   | 8     6    27    |
| 258   129 12589 | 467   467 3567  | 12357 1257 237   |
+-----------------+-----------------+------------------+
| 1     24  236   | 2679  8   3679  | 49    27   5     |
| 2345  7   235   | 129   39  139   | 49    8    6     |
| 9     8   26    | 5     67  4     | 27    3    1     |
+-----------------+-----------------+------------------+

Play this puzzle online at the Daily Sudoku site

Coloring on 4.

4r8c1=r7c2-(419=2)r136c2-r5c1=r5c9-(2=4)r3c9=>r3c1<>4
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