January 12, 2019

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January 12, 2019

Postby ArkieTech » Sat Jan 12, 2019 12:16 pm

Code: Select all
 *-----------*
 |...|7..|.4.|
 |...|485|9..|
 |46.|..9|..5|
 |---+---+---|
 |.1.|8..|5.4|
 |...|...|...|
 |3.7|..6|.1.|
 |---+---+---|
 |7..|9..|.61|
 |..3|678|...|
 |.5.|..1|...|
 *-----------*


Play/Print this puzzle online
dan
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Re: January 12, 2019

Postby SteveG48 » Sat Jan 12, 2019 2:48 pm

Code: Select all
 *-----------------------------------------------------------*
 | 59    3     59    | 7     6     2     | 1     4     8     |
 | 2     7     1     | 4     8     5     | 9     3     6     |
 | 4     6     8     | 13    13    9     | 7     2     5     |
 *-------------------+-------------------+-------------------|
 | 69    1     269   | 8     239  c37    | 5    c79    4     |
 | 589   2489  2459  | 12    1249  47    | 6     789   3     |
 | 3    a489   7     | 5    a49    6     | 28    1     2-9   |
 *-------------------+-------------------+-------------------|
 | 7    b248  b24    | 9     5    b34    | 2348  6     1     |
 | 1     249   3     | 6     7     8     | 24    5     29    |
 | 689   5     469   | 23    234   1     | 348   89    7     |
 *-----------------------------------------------------------*


(9=48)r6c25 - (8=234)r7c236 - (3=79)r4c68 => -9 r6c9 ; stte
Steve
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Re: January 12, 2019

Postby RSW » Sat Jan 12, 2019 10:24 pm

Code: Select all
+---------------+------------+-------------+
| 59  3    59   | 7  6    2  | 1    4   8  |
| 2   7    1    | 4  8    5  | 9    3   6  |
| 4   6    8    | 13 13   9  | 7    2   5  |
+---------------+------------+-------------+
| 69  1    269  | 8  239  37 | 5    79  4  |
| 589 2489 2459 | 12 1249 47 | 6    789 3  |
| 3   489  7    | 5  49   6  | 28   1   29 |
+---------------+------------+-------------+
| 7   248  24   | 9  5    34 | 2348 6   1  |
| 1   249  3    | 6  7    8  | 24   5   29 |
| 689 5    469  | 23 234  1  | 348  89  7  |
+---------------+------------+-------------+

(Still trying to figure out how to add notation to the grid diagram :( )
X-wing: In rows 6 & 7, digit 8 must go in column 2 or 7
Removing candidate 8 from r5c2 r9c7
Naked Triple: In row 9, the digits 2 3 4 must go in cells r9c4 r9c5 r9c7 (unspecified order)
- Removing candidate 4 from cell r9c3
X-wing: In columns 3 & 6, digit 4 must go in row 5 or 7
Removing candidate 4 from r5c2 r7c2 r5c5 r7c7
XYZ-wing: Interdependent cells r5c2 r7c3 each have two out of the three candidates 2 4 9, while cell r8c2 has all three.
Removing candidate 2 from cells which intersect r5c2, r7c3 and r8c2
- Eliminating candidate 2 from cell r7c2
XYZ-wing: Interdependent cells r5c2 r9c3 each have two out of the three candidates 2 6 9, while cell r4c3 has all three.
Removing candidate 9 from cells which intersect r5c2, r9c3 and r4c3
- Eliminating candidate 9 from cell r5c3
- stte
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Re: January 12, 2019

Postby Cenoman » Sat Jan 12, 2019 10:32 pm

Code: Select all
 +----------------------+-------------------+--------------------+
 |  59    3      59     |  7    6      2    |  1      4     8    |
 |  2     7      1      |  4    8      5    |  9      3     6    |
 |  4     6      8      |  13   13     9    |  7      2     5    |
 +----------------------+-------------------+--------------------+
 |  69    1      269    |  8    239    37   |  5      79    4    |
 |  589   2489   2459   |  12   1249  b47   |  6     c789   3    |
 |  3     489    7      |  5    49     6    |  28     1     29   |
 +----------------------+-------------------+--------------------+
 |  7     248    24     |  9    5     b34   | a234-8  6     1    |
 |  1     249    3      |  6    7      8    |  24     5     29   |
 |  689   5      469    |  23   234    1    |  348   d89    7    |
 +----------------------+-------------------+--------------------+

(3)r7c7 = (34-7)r57c6 = (7-8)r5c8 = (8)r9c8 =>-8r7c7; ste
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Re: January 12, 2019

Postby SpAce » Sun Jan 13, 2019 1:14 am

Code: Select all
.--------------------.------------------------.---------------.
|  59    3      59   |  7      6          2   | 1     4    8  |
|  2     7      1    |  4      8          5   | 9     3    6  |
|  4     6      8    | a13+   a13+        9   | 7     2    5  |
:--------------------+------------------------+---------------:
|  69    1      269  |  8      239        37  | 5     79   4  |
| e589  e2489   2459 | a12+   a12+(4)9  f(4)7 | 6    f789  3  |
|  3    e489    7    |  5     b9-4        6   | 28    1    29 |
:--------------------+------------------------+---------------:
|  7    d248   d24   |  9      5         d34  | 2348  6    1  |
|  1     249    3    |  6      7          8   | 24    5    29 |
|  689   5      469  | a23+  ca23+(4)     1   | 348   89   7  |
'--------------------'------------------------'---------------'

(4=DP=9*)r359c45 - (9=4)r6c5 - r9c5 = (428)r7c632 - 8b4p(58=4) - (8|*9=74)r5c86 => -4 r6c5; stte
Code: Select all
   *             |    |               |    |    *
        *        |=()=|    /  _  \    |=()=|               *
            *    |    |   |-=( )=-|   |    |      *
     *                     \  ¯  /                   *   
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Re: January 12, 2019

Postby SteveG48 » Sun Jan 13, 2019 2:11 am

RSW wrote:(Still trying to figure out how to add notation to the grid diagram :( )


Copy the grid into an editor that uses a fixed pitch font. If you're using Windows, Notepad works fine. Adjust spacing and so forth so everything looks right, then copy the grid back into your reply.
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Re: January 12, 2019

Postby RSW » Mon Jan 14, 2019 5:45 am

Okay thanks. I thought maybe you guys were using some kind of special purpose grid editing software.
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