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What is the logical criterion ? (Posted on 2005-06-03) Difficulty: 2 of 5
What is the logical criterion used to place the four different symbols that fills the 36 cells of the 6 x 6 grid ?

-------------------------
| O | # | x | @ | # | O |
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| @ | O | O | x | x | @ |
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| @ | x | O | # | # | @ |
-------------------------
| # | @ | @ | x | O | # |
-------------------------
| # | O | O | x | x | # |
-------------------------
| x | @ | # | O | @ | x |
-------------------------

  Submitted by pcbouhid    
Rating: 3.8333 (6 votes)
Solution: (Hide)

The four symbols were placed in this order : O, @, # and x, starting in the upper left corner, and ending in the lower right corner, in a "diagonal way".

Numbering the cells in the sequence that they are filled, you'll see at once the pattern.


---------------------------------
| 01 | 03 | 04 | 10 | 11 | 21 |
---------------------------------
| 02 | 05 | 09 | 12 | 20 | 22 |
---------------------------------
| 06 | 08 | 13 | 19 | 23 | 30 |
---------------------------------
| 07 | 14 | 18 | 24 | 29 | 31 |
---------------------------------
| 15 | 17 | 25 | 28 | 32 | 35 |
---------------------------------
| 16 | 26 | 27 | 33 | 34 | 36 |
---------------------------------

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SymmetryRebecca Jaffe2005-08-30 03:06:01
No Subjecttrey2005-06-09 03:06:01
Solutionthis is itDavid2005-06-08 04:04:57
To Robby and Lisapcbouhid2005-06-03 19:26:32
SolutionSolutionLisa2005-06-03 16:08:35
SolutionSolutionRobby Goetschalckx2005-06-03 14:19:56
Some Thoughtsre: Is this as straightforward as it looks?Lisa2005-06-03 13:00:10
re: Is this as straightforward as it looks?Syzygy2005-06-03 12:59:52
QuestionIs this as straightforward as it looks?scott2005-06-03 12:52:42
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