# How to create a non-sequential AL and hide the coordinates for the bonus.

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My latest AL is not sequential, but has a bonus cache whose coordinates are not included in the Journals.  The journals simply remind the seeker to record part of the answer.  Then the bonus converts the recorded data into coordinates.  The bonus is GC9J3XM which shows the technique.  Each journal repeats the instructions shown in the bonus.

4 finds and 3 FP.

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That's fine and I wouldn't object, but it gets really futzy to keep track of the numbers and put them in the right place to get coordinates. I'm assuming the answer is to the AL question, so at least it's in the journal entry. That's the way I typically see this done. I'd be less thrilled if I had to track down independent numbers and keep track of them so I had them at the end.

Another approach is to gather info -- typically something like the first letter of each answer -- and then pass it to certitude. Yours is better because it avoids forcing me to go on-line to get the coordinates. I'll do it, but I don't like it.

Another popular approach in my area is to give 3 digits of the coordinates in each journal entry. "N 3x xx.2xx w xxx 5x.xxx", for example. I like that a little better than yours because I don't have to go to the bonus cache page to figure out what data I need and how to combine it into the final coordinates.

I've done several that just threw caution to the wind: the coordinates were just given straight out in the stage closest to the bonus cache. I've seen this a few times in "famous highway" ALs where they put the bonus cache somewhere in the middle and let you find it when it's convenient without worrying about whether you complete the rest of the AL afterwards. And from my point of view, that works fine: I like getting the bonus cache, but it's not really why I'm doing the AL, so finding it "prematurely" has very little effect on whether I do the remaining stages of the AL.

Another way you could do it is if say you have 5 AL locations, take your coordinates as a single number (maybe just the 6 decimal digits) and break it down to 5 factors.  You need to gather the 5 numbers (factors) to multiply together to get the 6 digit number that completes the bonus coordinates. You can't really guess any of the numbers, and you'd need to have all 5 in order to finish the task. Then no need for a certitude checker that way either.  If you want to you could add a checksum so people can be more sure they got the product correct; and of course the solution checker on the bonus for the final coordinates (but requires data).

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