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a fun grid.

 
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strmckr



Joined: 18 Aug 2009
Posts: 64
PostPosted: Sun Aug 30, 2009 9:45 pm    Post subject: a fun grid. Reply with quote
whats the alternatives to the xy-chain?
Code:
 *-----------*
 |4.3|5..|..9|
 |59.|..7|.3.|
 |...|...|..6|
 |---+---+---|
 |6..|8.1|...|
 |..8|...|4..|
 |...|7.6|..5|
 |---+---+---|
 |8..|...|...|
 |73.|1..|.28|
 |9..|..5|6.3|
 *-----------*
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sun Aug 30, 2009 10:15 pm    Post subject: Reply with quote
here is a skyscraper on 6's
Code:
.---------------------.---------------------.---------------------.
| 4     *2678   3     | 5     *26     28    | 27     1      9     |
| 5      9      126   | 246    126    7     | 8      3      24    |
| 12     1278   127   | 2349   1239   23489 | 257    45     6     |
:---------------------+---------------------+---------------------:
| 6      2457   2457  | 8      2345   1     | 23     9      27    |
| 123    1257   8     | 239    2359   239   | 4      6      127   |
| 123    124    9     | 7      234    6     | 123    8      5     |
:---------------------+---------------------+---------------------:
| 8      256    256   | 2369   7      239   | 159    45     14    |
| 7      3     *456   | 1     *69     49    | 59     2      8     |
| 9      124    124   | 24     8      5     | 6      7      3     |
'---------------------'---------------------'---------------------'


Code:
.------------------.------------------.------------------.
| 4     6     3    | 5     2     8    | 7     1     9    |
| 5     9     12   | 46    16    7    | 8     3     24   |
| 12    8     7    |U349   139  U349  | 25   -45    6    |
:------------------+------------------+------------------:
| 6     2457  245  | 8     345   1    | 23    9     27   |
| 13    157   8    | 239   359   239  | 4     6     17   |
| 123   124   9    | 7     34    6    | 123   8     5    |
:------------------+------------------+------------------:
| 8    *25   *256  |U2369  7    U239  | 159  *45    14   |
| 7     3     456  | 1     69    49   | 59    2     8    |
| 9     124   124  | 24    8     5    | 6     7     3    |
'------------------'------------------'------------------'

the UR 39 marked creates a strong inference on the 4's in r3c46 and the naked triple {256}r7c2346

UR39[(4)r3c46 = (256)r7c2346] - (5=4)r7c8; r3c8 <> 4
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