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At Least Three Difference (Posted on 2010-08-04) Difficulty: 3 of 5
Place the numbers 1-9 in the boxes so that the difference of each pair of numbers joined by a line is at least three. The number 8 has already been placed.

No Solution Yet Submitted by Brian Smith    
Rating: 5.0000 (1 votes)

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re(2): Computer solution: not just for 8 | Comment 4 of 13 |
(In reply to re: Computer solution: not just for 8 by ed bottemiller)

Of course it was my

FOR n = 1 TO 8

in the main routine, instead of

FOR n = 1 TO 9

that caused the failure of my program to find the solution with 9 at the upper left.


  Posted by Charlie on 2010-08-04 15:36:45
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