Wednesday, February 28, 2007

Arrange the numbers

Rearrange the following numbers so that no two consecutive numbers are next to each other horizontally, diagonally, or vertically. The shape needs to stay the same, just not the order of numbers.

1
2 3 4
5 6 7
8

Note that the 1 should be above the 3, and the 8 is just below the 6. So the top position held by the number 1 is affecting 2 (diagonal, consecutive) adversely, but not 3 (vertical, but not consecutive) and 4 (diagonal, but not consecutive).

1. X 7 X
3 1 4
4 8 6
X 2 X

2. X 7 X
4 1 3
6 8 5
X 2 X

3. Whoops, I just noticed that Abe has two 4's in his solution.

4. X 2 X
6 8 5
4 1 3
X 7 X
Looks like gill got it right. I'm assuming Abe got it, too. That second 4 is a typo and should be a 5.

5. crap, yeah, that's what I meant...I'm so shamed...

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