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Found it colincactus found Bridge the Gap (Revised)

Sunday, November 29, 2015South East England, United Kingdom

{*FTF*} at 15:20

I was a bit late to the party here. I didn't see the cache notification and only became aware of it on Friday when my wife phoned me at work and happened to mention that Richiecactus had a new puzzle out.

I thought it might be a good thing to keep me occupied on the train back home so printed out the cache page just as I left. However a dodgy printer cartridge meant that the first part of my journey was spent desperately trying to identify the cards.

A few ideas immediately sprang to mind as methods for bridging the gap. One seemed to give me an opportunity of identifying the two dummy pairs so I went with that and by the end of the journey had come up with a proof of which they were.

Now to bridge the gaps. I found a solution and then another and after a couple of hours had come up with what I considered to be a full list of 24 alternatives - all done with pencil and paper. Interestingly I saw that I'mHiding I'mHiding had done an exhaustive search in Excel and that had given him just nine. Did that mean we were using different bridging methods?

Anyway I couldn't see any way of choosing one of my 24 over any of the others so I calculated the answers for all of them. Some were nonsensical, and others were too far away. Only three were close enough for me to consider them as viable solutions but sadly Google Maps proved them not to be.

I couldn't really see a way ahead so last night I asked the CO to check that he hadn't made a mistake. This morning brought the news that there was a problem so I stuck a watch on the page. However the Spurs v Chelsea game was fast approaching so I decided to ignore it until after that.

With the game over I decided to have another look. The changed card meant that my original dummy pairs were now wrong. So I started again from scratch and came up with another set of bridges. But was one of them "perfect"? Yes it was and the checker gave me a green tick.

I saw that nobody else had yet passed the checker so I decided to try for the FTF. I wasn't sure what the hint meant (and bizarrely as I was driving along turning it over in my mind I was passed by a moped with it daubed on the back). However after all that the cache turned out to be an easy find.

A nice puzzle. Now that its solvable its obviously a lot easier than when it wasn't. However I do feel a certain loss now that we haven't got the original impossible puzzle. Awarding a fave point.

#2496 TFTC

infoA Mystery Cache is the “catch-all” of cache types, this form of cache can involve complicated puzzles you will first need to solve to determine the coordinates. The only commonality of this cache type is that the coordinates listed are not of the actual cache location but a general reference point, such as a nearby parking location. Due to the increasing creativity of geocaching this becomes the staging ground for new and unique challenges.
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