Comments (15)

1. I think there is a second solution to this puzzle:

   1222
   3111
   3312
   2333

   SANDY’S NOTE: This solution does indeed work, Mike – I’ve added it to the puzzle. Thanks!

   posted by MikeTrig on 11-20-2009 at 8:16 am

2. Mike – I got the same answer you did. Are we missing something? Or is this another solution? Everything seems to add up…

   posted by Aaron on 11-20-2009 at 9:04 am

3. I agree with Mike Trig. I got the same solution and it seems to work out correctly.

   posted by Ian from Baltimore on 11-20-2009 at 9:05 am

4. Same answer as the three above. Looks like it works to me.

   posted by David on 11-20-2009 at 9:15 am

5. this solution also appears to work:

   1231
   2112
   3312
   3323

   or maybe it’s still to early for me

   posted by Lauren on 11-20-2009 at 9:33 am

6. I got the same answer as Mike and Aaron.

   posted by heather on 11-20-2009 at 9:39 am

7. @Lauren, doesn’t your second row have to end in 1? I mean, that is one of the three provided numbers.

   Other than that, it works. ;)

   posted by Lugh on 11-20-2009 at 9:45 am

8. Mike does indeed seem to have found a second solution – nice job! I’ve edited the puzzle to add this to the mix.

   And Lugh is correct about Lauren – the numbers given in the puzzle do have to remain in their original positions.

   posted by Sandy Wood on 11-20-2009 at 10:05 am

9. 1222
   2121
   3312
   3323

   this works as well.

   posted by erin on 11-20-2009 at 12:20 pm

10. The instructions state 9 squares inside the red grid need to have 1, 2 or 3. I can only assume the other 7 squares can contain any other numbers including imaginary numbers.

    posted by Steven J on 11-20-2009 at 12:51 pm

11. @Erin – I tried that one too, but the diagonal from lower left to upper right doesn’t add up to 8.

    posted by Betsy on 11-20-2009 at 1:24 pm

12. I’ve been starting my chem class lectures with these to help get them thinking before I teach. They love them. Keep them coming.

    posted by Nick on 11-20-2009 at 1:48 pm

13. Got Mike’s solution as well,and had Steven J’s question as well. Are you confusing Soduko square with Magic Squares?

    posted by Hawaiian on 11-20-2009 at 2:34 pm

14. I count 16 squares (4 x 4)not 9, or did I miss something?

    posted by Curt on 11-20-2009 at 4:56 pm

15. I found another:

    1321
    3111
    2313
    3233

    I guess it’s a variation on the original solution.

    posted by Rachel on 11-24-2009 at 2:24 pm

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