In the 4x4 grid below, 32 consecutive two digit numbers (45 to 76) have been packed in it.

1 3 5 9
2 5 4 8
0 7 6 2
1 6 3 9

*****
The challenge: Pack as many consecutive 3 digit numbers as possible into a 9x9 grid. The numbers may be read from any direction. No leading zeros.

(In reply to re(2): My algorithm by Rawlyn)

That's what I meant, thanks!

(Of course it couldn't hurt to go into more detail, such as explanation of roulette wheel sampling.) :-)

Posted by SilverKnight on 2004-02-04 20:49:02