8 replies to this topic

[brainlessPete]

While I was relaxing on the sunny shores, a messenger brought me a letter from an eyeball giant who is apparently stuck on a sudoku puzzle. Since she has no eyestalks, she invariably sucks at math, being forced to use a binary system for calculus.

 

Here is the puzzle in question, a great eyeball giant with as many as 16 eyes!

 

 

  5A  3   26 D

CD0     5 F93B2

2  4B    D8 A

1  7    B    5E

   9C7E        F

7B     63FC   A

0  61  9   D

 E  0  D   5B 4

 2     7   4DF

F       D6BE

     40   1  8

5  3F 8    2  0C

    3   87D  A

8  C7 6 F     50

4   D 5A B3 C  E

 A   1      F 9

 

 

Edited by brainlessPete, 08 January 2013 - 03:20 PM.

[bonanova]

This might help readability.

Re-posting using Courier font and some added spaces.

 

     5 A     3       2 6   D
 C D 0           5   F 9 3 B 2
 2     4 B         D 8   A
 1     7         B         5 E
       9 C 7 E                 F
 7 B           6 3 F C       A
 0     6 1     9       D
   E     0     D       5 B   4
   2           7       4 D F
 F               D 6 B E
           4 0       1     8
 5     3 F   8         2     0 C
         3       8 7 D     A
 8     C 7   6   F           5 0
 4       D   5 A   B 3   C     E
   A       1             F   9

[bonanova]

OK I've worked on this for a while.
Convinced it has no solution.
BTW it's Hex, not binary.

[CaptainEd]

Bonanova, as you say you believe it has no solution, I infer that you believe you know what the problem is! All I can tell is that there's a 16x16 grid (Thanks to your reformatting!). Perhaps it could be viewed as a 4x4 grid of 4x4 cells (without lines). I can't tell how it relates to Sudoku, which I think of as a 9x9 grid. What is your interpretation of the problem? At least I can learn from that :-)

Of course, we could see each hex digit as a 2x2 bit matrix, but I don't see that that helps, either...

[k-man]

The objective of this puzzle is to solve this hexadecimal sudoku. Instead of 1-9 digits in 9x9 grid it uses 0-F digits in 16x16 grid.

 

[CaptainEd]

Thanks K-man!  I get it now! (blushing in shame at my obtusity).

[bonanova]

Spoiler for Solution found

[Rob_Gandy]

Good to know it can be solved. I'll keep working to solve it myself. 

[bonanova]

I'm wondering if the solution is unique. It will be interesting to see if another solution presents itself.