September 13, 2018

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September 13, 2018

Postby ArkieTech » Thu Sep 13, 2018 10:40 am

Code: Select all
 *-----------*
 |...|..5|.1.|
 |9..|...|2..|
 |.31|8..|7..|
 |---+---+---|
 |6..|.3.|4..|
 |...|6.8|...|
 |..7|.4.|..9|
 |---+---+---|
 |..4|..9|58.|
 |..6|...|..3|
 |.5.|7..|...|
 *-----------*


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dan
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Re: September 13, 2018

Postby pjb » Thu Sep 13, 2018 11:53 am

Code: Select all
 2478    24678   28     |b2349   2679   5      |a3689   1      468   
 9       4678    58     | 134    167  *c13467  | 2     *3456   4568   
 245     3       1      | 8      269    246    | 7      4569   456   
------------------------+----------------------+---------------------
 6       1289    2589   | 1259   3      127    | 4      257    12578 
 12345   1249  *f2359   | 6      12579  8      | 1-3   *2357   1257   
 12358   128     7      | 125    4      12     | 1368  *2356   9     
------------------------+----------------------+---------------------
 1237    127     4      | 123    126    9      | 5      8      1267   
 1278    12789   6      | 1245   1258   124    | 19     2479   3     
 1238    5     *e2389   | 7      1268 *d12346  | 169    2469   1246   


Finned swordfish of 3s at r2c68, r5c38, r6c8, r9c36 => -3 r5c7; stte
or slightly simpler:
(3)r1c7 = r1c4 - r2c6 = r9c6 - r9c3 = r5c3 => -3 r5c7

Phil
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Re: September 13, 2018

Postby SpAce » Thu Sep 13, 2018 1:06 pm

Phil beat me to the punch with the obvious solution, and I don't think I'll find anything that is not just a more complex version of the same. Looking forward to seeing if someone does find something that doesn't revolve around those 3s! I'll sit this one out.
-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: September 13, 2018

Postby Cenoman » Thu Sep 13, 2018 1:37 pm

Hard to avoid the 3s !
Code: Select all
 +-------------------------+-------------------------+------------------------+
 |  2478    24678   28     | b2349*  2679    5       | c3689*  1      468     |
 |  9       4678    58     | a134#   167     13467   |  2      3456   4568    |
 |  245     3       1      |  8      269     246     |  7      4569   456     |
 +-------------------------+-------------------------+------------------------+
 |  6       1289    2589   |  1259   3       127     |  4      257    12578   |
 |  12345#  1249   C2359   |  6      12579   8       |  1-3*   2357#  1257    |
 |  12358*  128     7      |  125    4       12      |  1368#  2356*  9       |
 +-------------------------+-------------------------+------------------------+
 |  1237*   127     4      |  123*   126     9       |  5      8      1267    |
 |  1278    12789   6      |  1245   1258    124     |  19     2479   3       |
 | A1238#   5      B2389   |  7      1268    12346   |  169    2469   1246    |
 +-------------------------+-------------------------+------------------------+

7-links oddagon in the 3s (*) with five guardians (#)
(3)r5c18|r6c7
(3)r2c4 - r1c4 = r1c7 (a,b,c)
(3)r9c1 - r9c3 = r5c3 (A,B,C)
=> -3 r5c7; ste
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