August 3, 2015

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August 3, 2015

Postby ArkieTech » Sun Aug 02, 2015 11:16 pm

Code: Select all
 *-----------*
 |.5.|..1|...|
 |...|..2|7.3|
 |8..|5..|2..|
 |---+---+---|
 |3..|.2.|81.|
 |.81|...|32.|
 |.96|.3.|..7|
 |---+---+---|
 |..8|..4|..5|
 |9.4|8..|...|
 |...|7..|.9.|
 *-----------*


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dan
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Re: August 3, 2015

Postby Leren » Sun Aug 02, 2015 11:59 pm

Code: Select all
*--------------------------------------------------------------*
| 67    5     2      | 3     67    1      | 9     8     4      |
| 146   146   9      | 46    8     2      | 7     5     3      |
| 8     347   37     | 5     47    9      | 2     6     1      |
|--------------------+--------------------+--------------------|
| 3     47   b57     | 469   2    a567    | 8     1     69     |
| 457   8     1      | 469   46-5  567    | 3     2     69     |
| 2     9     6      | 1     3     8      | 5     4     7      |
|--------------------+--------------------+--------------------|
| 167   1367  8      | 2     9     4      | 16    37    5      |
| 9     1367  4      | 8    f156  e36-5   | 16    37    2      |
| 156   2    c35     | 7     16   d36     | 4     9     8      |
*--------------------------------------------------------------*

(5) r4c6 = r4c3 - (5=3) r9c3 - r9c6 = (3-5) r8c6 = (5) r8c5 => - 5 r5c5, r8c6; lclste

Leren
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Re: August 3, 2015

Postby pjb » Mon Aug 03, 2015 1:50 am

Code: Select all
   67      5       2      | 3     a67     1      | 9      8      4     
  c146    c146     9      | 46     8      2      | 7      5      3     
   8       347     37     | 5     a47     9      | 2      6      1     
--------------------------+----------------------+---------------------
   3       47      57     | 469    2      567    | 8      1      69     
abc47-5    8       1      | 469   a456    567    | 3      2      69     
   2       9       6      | 1      3      8      | 5      4      7     
--------------------------+----------------------+---------------------
   167    c1367    8      | 2      9      4      | 16     37     5     
   9      c1367    4      | 8      156    356    | 16     37     2     
abc156     2       35     | 7     a16     36     | 4      9      8     


a-(1)r9c1 - (1=6)r9c5 - (6=5)r135c5 - r5c1
b-(5)r9c1 - r5c1
c-(6)r9c1 - r78c2 = (6-1)r2c2 = (1-4)r2c1 = (4-5)r5c1 => -5 r5c1; stte

Phil
Last edited by pjb on Mon Aug 03, 2015 11:28 am, edited 2 times in total.
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Re: August 3, 2015

Postby Marty R. » Mon Aug 03, 2015 2:29 am

Code: Select all
+-------------+-------------+----------+
| 67  5    2  | 3   67  1   | 9  8  4  |
| 146 146  9  | 46  8   2   | 7  5  3  |
| 8   347  37 | 5   47  9   | 2  6  1  |
+-------------+-------------+----------+
| 3   47   57 | 469 2   567 | 8  1  69 |
| 457 8    1  | 469 456 567 | 3  2  69 |
| 2   9    6  | 1   3   8   | 5  4  7  |
+-------------+-------------+----------+
| 167 1367 8  | 2   9   4   | 16 37 5  |
| 9   1367 4  | 8   156 356 | 16 37 2  |
| 156 2    35 | 7   16  36  | 4  9  8  |
+-------------+-------------+----------+

Play this puzzle online at the Daily Sudoku site
Same eliminations as Leren, less elegance

5r4c6=r4c3-(5=3)r9c3-(3=615)b8p985=> -5r5c5,r8c6
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Re: August 3, 2015

Postby Leren » Mon Aug 03, 2015 7:30 am

pjb wrote : a-(1)r9c1 - (1=6)r9c5 - (6=5)r34c5 - r5c1

Typo : should be : a-(1)r9c1 - (1=6)r9c5 - (6=5)r135c5 - r5c1
Marty R wrote : 5r4c6=r4c3-(5=3)r9c3-(3=615)b8p985

You must be catching on Marty, if I'm not mistaken that's an ALS XZ Rule, X = 3, Z = 5 with transport tacked on at the beginning !

Leren
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Re: August 3, 2015

Postby Marty R. » Mon Aug 03, 2015 3:26 pm

Leren wrote:
Marty R wrote : 5r4c6=r4c3-(5=3)r9c3-(3=615)b8p985

You must be catching on Marty, if I'm not mistaken that's an ALS XZ Rule, X = 3, Z = 5 with transport tacked on at the beginning !

Leren


Don't know about the XZ rule, but I started (5=3)r9c3 and didn't have a way to show the transport so I had to work backwards starting with the transported-to cell.
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