GeekDad Puzzle of the Week Solution: Arrr! Corrosive Gecko Be Back!

Geek Culture

Randy's deft gecko

Thank you for not killing my gecko. For whatever reason, I’m rather fond of him.

For those of you who missed it, our friend Corrosive Gecko was in dire need of guidance up a fairly basic fence and must move according to the following rules:

1. Each turn, Corrosive Gecko must move exactly one leg or arm. You pick which.

2. He can grab either horizontal or vertical sections of fence, but never at the junctions.

3. Each turn, Corrosive Gecko slides his appendage along the fence wire exactly the distance of one side of a grid box. This means that if Corrosive Gecko is holding a vertical wire, he may move his appendage straight up to the next box’s vertical wire (1), or may move his appendage up and then right (2), or up and then left (3). If C.G. is holding a horizontal wire, he may only move right and up (4), or left and up (5).

4. Being a rather corrosive gecko, anything he touches disintegrates the instant his appendage leaves it. Once he uses a spot, our acidic friend may not use it again.

5. He is not one of those window-sticking stretchy geckos. At any given time, CG’s appendages must stay within four “moves” of every other appendage. If not, he is ripped apart and squirts gecko guts across the fence, dissolving the entire lattice in one pump of a dying gecko’s heart (you get the point).

6. No more than two appendages may be in a vertical or horizontal line at any given moment.

7. Once CG reaches one hand or foot to the top wire, he wins. (And you may not do anything sneaky like removing an appendage for a move, jumping, or other intuitively forbidden folderol.)

I have to say, Randy’s winning answer, which was randomly chosen from a much better batch than last week’s pile of gecko killers, was much different than mine — I had gecko hugging the right rail; Randy kept him left. For those of you who did not get down with vertical gecko twister, use the following code to get $10.00 of an order of $50.00 or more at ThinkGeek: GEEKDAD93SF.

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