May 18, 2020

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May 18, 2020

Postby tarek » Wed May 20, 2020 10:50 am

Code: Select all
+-------+-------+-------+
| . . . | . . . | . . . |
| 9 . 2 | . . . | 1 . 8 |
| 1 7 . | . . . | . 5 4 |
+-------+-------+-------+
| . 2 . | 8 . 6 | . 3 . |
| 8 . . | . 3 . | . . 9 |
| . 1 . | 5 . 4 | . 6 . |
+-------+-------+-------+
| 3 9 . | . . . | . 2 5 |
| 2 . 5 | . . . | 9 . 7 |
| . . . | . . . | . . . |
+-------+-------+-------+
.........9.2...1.817.....54.2.8.6.3.8...3...9.1.5.4.6.39.....252.5...9.7.........

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Re: May 18, 2020

Postby Leren » Wed May 20, 2020 11:09 am

Code: Select all
*-----------------------------*
| 5 3 4 |c17  18  78  | 2 9 6 |
| 9 6 2 |c34  45 c35  | 1 7 8 |
| 1 7 8 | 269 26  29  | 3 5 4 |
|-------+-------------+-------|
| 4 2 9 | 8   7   6   | 5 3 1 |
| 8 5 6 | 2-1 3  a12  | 7 4 9 |
| 7 1 3 | 5   9   4   | 8 6 2 |
|-------+-------------+-------|
| 3 9 1 |c47  48  78  | 6 2 5 |
| 2 4 5 | 136 16 b13  | 9 8 7 |
| 6 8 7 | 29  25  259 | 4 1 3 |
*-----------------------------*

(1) r5c6 = (1-3) r8c6 = (3) r2c6 - (3=1) r127c4 => - 1 r5c4; stte

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Re: May 18, 2020

Postby SteveG48 » Wed May 20, 2020 12:37 pm

Code: Select all
 *--------------------------------------------------*
 | 5    3    4    | 7-1 c18  b78   | 2    9    6    |
 | 9    6    2    | 34  c45   35   | 1    7    8    |
 | 1    7    8    | 269  26   29   | 3    5    4    |
 *----------------+----------------+----------------|
 | 4    2    9    | 8    7    6    | 5    3    1    |
 | 8    5    6    |a12   3   b12   | 7    4    9    |
 | 7    1    3    | 5    9    4    | 8    6    2    |
 *----------------+----------------+----------------|
 | 3    9    1    | 47  c48   78   | 6    2    5    |
 | 2    4    5    | 136  16  b13   | 9    8    7    |
 | 6    8    7    | 29   25   259  | 4    1    3    |
 *--------------------------------------------------*


1r5c4 = (135)r258c6 - (5=481)r127c5 => -1 r1c4 ; stte
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Re: May 18, 2020

Postby rjamil » Wed May 20, 2020 2:55 pm

Code: Select all
 +---------+------------------+---------+
 | 5  3  4 | 17    18    78   | 2  9  6 |
 | 9  6  2 | 34    45    35   | 1  7  8 |
 | 1  7  8 | 26-9  (2)6  (29) | 3  5  4 |
 +---------+------------------+---------+
 | 4  2  9 | 8     7     6    | 5  3  1 |
 | 8  5  6 | 12    3     12   | 7  4  9 |
 | 7  1  3 | 5     9     4    | 8  6  2 |
 +---------+------------------+---------+
 | 3  9  1 | 47    48    78   | 6  2  5 |
 | 2  4  5 | 136   16    13   | 9  8  7 |
 | 6  8  7 | (29)  (2)5  25-9 | 4  1  3 |
 +---------+------------------+---------+
Step 1) W-Wing: 29 @ r3c6 r9c4 SL between 2 @ r3c5 and 2 @ r9c5 => -9 @ r3c4 r9c6; and after two HS

Code: Select all
 +---------+--------------+---------+
 | 5  3  4 | 17    18  78 | 2  9  6 |
 | 9  6  2 | 34    45  35 | 1  7  8 |
 | 1  7  8 | 26    26  9  | 3  5  4 |
 +---------+--------------+---------+
 | 4  2  9 | 8     7   6  | 5  3  1 |
 | 8  5  6 | 12    3   12 | 7  4  9 |
 | 7  1  3 | 5     9   4  | 8  6  2 |
 +---------+--------------+---------+
 | 3  9  1 | 47    48  78 | 6  2  5 |
 | 2  4  5 | 1-36  16  13 | 9  8  7 |
 | 6  8  7 | 9     25  25 | 4  1  3 |
 +---------+--------------+---------+
Step 2) BUG+1: 1 @ r8c4 => -36 @ r8c4; stte

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Re: May 18, 2020

Postby SteveG48 » Thu May 21, 2020 2:36 pm

I tried for a direct BUG+3 solution, but didn't come up with anything that pleased me.
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Re: May 18, 2020

Postby SpAce » Thu May 21, 2020 4:04 pm

Code: Select all
.---------.----------------------.---------.
| 5  3  4 |  17      18     78   | 2  9  6 |
| 9  6  2 |  34      45    b35   | 1  7  8 |
| 1  7  8 | a29[+6]  2-6    29+  | 3  5  4 |
:---------+----------------------+---------:
| 4  2  9 |  8       7      6    | 5  3  1 |
| 8  5  6 |  12      3      12   | 7  4  9 |
| 7  1  3 |  5       9      4    | 8  6  2 |
:---------+----------------------+---------:
| 3  9  1 |  47      48     78   | 6  2  5 |
| 2  4  5 |  13-6   c1(6)  b13   | 9  8  7 |
| 6  8  7 |  29+     25    b29+5 | 4  1  3 |
'---------'----------------------'---------'

(6)r3c4 =UR(29)r39c46= (531)r928c6 - (1=6)r8c5 => -6 r3c5,r8c4; stte
-SpAce-: Show
Code: Select all
   *             |    |               |    |    *
        *        |=()=|    /  _  \    |=()=|               *
            *    |    |   |-=( )=-|   |    |      *
     *                     \  ¯  /                   *   

"If one is to understand the great mystery, one must study all its aspects, not just the dogmatic narrow view of the Jedi."
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Re: May 18, 2020

Postby SpAce » Thu May 21, 2020 8:19 pm

Hi Steve,

SteveG48 wrote:I tried for a direct BUG+3 solution, but didn't come up with anything that pleased me.

Would this work for you:

Code: Select all
.---------.---------------------.---------.
| 5  3  4 |  17    18   78      | 2  9  6 |
| 9  6  2 |  34    45  b3(5)    | 1  7  8 |
| 1  7  8 | b69+2  26   29      | 3  5  4 |
:---------+---------------------+---------:
| 4  2  9 |  8     7    6       | 5  3  1 |
| 8  5  6 |  12    3    12      | 7  4  9 |
| 7  1  3 |  5     9    4       | 8  6  2 |
:---------+---------------------+---------:
| 3  9  1 |  47    48   78      | 6  2  5 |
| 2  4  5 | b36+1  16  b13      | 9  8  7 |
| 6  8  7 |  29    25  a9+[2]-5 | 4  1  3 |
'---------'---------------------'---------'

(2)r9c6 =BUG= (2|1-63)r38c4 = (35)r82c6 => -5 r9c6; stte
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Re: May 18, 2020

Postby SteveG48 » Fri May 22, 2020 2:52 am

I think you've just asked me to put my foot in a bear trap. :roll: Well done!
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Re: May 18, 2020

Postby SpAce » Fri May 22, 2020 3:45 am

SteveG48 wrote:I think you've just asked me to put my foot in a bear trap. :roll: Well done!

Thanks, Steve! Glad you liked it. And don't worry, it wasn't obvious to me either. Otherwise I would have used it as my solution! Your implied challenge was a good motivator. I wonder if an even better one could be found, but at least I'm done looking.
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