These are the ramblings of Matthijs Kooijman, concerning the software he hacks on, hobbies he has and occasionally his personal life.
Most content on this site is licensed under the WTFPL, version 2 (details).
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My old blog (pre-2006) is also still available.
See also my Mastodon page.
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(Disclaimer: This post is about a game. It is all fiction.)
Okay, it's been a while, but I'll try to remember what happened a few days back. I already described today's meeting, so I will skip to the puzzles. Bas, the creator of these puzzles has also written a nice piece on how they were created.
To find the device to disable our localization implants, we were given a clue with 10 hexagons on it. These hexagons were marked in some way, possibly representing numbers. Also, there was "MA 5/6 214040" on the clue. MA 5/6 represents college hours, the number is a course number.
Half our team was on their way to pick up their bikes, only Brenda and I managed to take them with us after the chaos just before. So, immediately after the meeting, the two of us went for some WLAN coverage at the Hogekamp building, to look up where the given course was held in the given time slot, since that was undoubtedly the next location.
This gave us "Langezijds 2520". The rest of our team had arrived home by now, so we called in somebody with a photo camera and the exact location of the 2520 room within the (huge) Langezijds building. I sent Brenda home, since we still had all the licenses of our team, so they couldn't really go out. I myself went to the Langezijds building, where I would meet Jasper (a non-contestant) to bring me the camera.
We had seen some delay at Hogekamp, due to 2d4d trying to kill us (first time within the 10 minute safe time, second time they had come back for the kill. ah well, the puzzle is more important than killing anyhow and I managed to return the favor of a kill). But, due to this delay, we arrived second, after team CIA (nicely done, CIA). There, I could not find the clue at once, but did find it shortly after. Hoping that CIA would go away so I could write down the clue, I delayed a little. In the end, another team arrived, so I had to be more careful. Also, Jasper arrived with my camera. As soon as the third team arrived I decided to screw it and give the clue away to team CIA. I climbed into the fire ladder to make a proper photo of the clue. In the end, it turned out to be a good decision, since on our way back, we met at least 4 teams coming our way behind the Langezijds building...
The clue had a few aspects to it. First, there was "MISSING LINKS". Second, there were three lines, each sharing a single starting point, pointing upwards, bottom left and bottom right. There were markings "T", "L", "R" in the top, left and right parts of the figure respectively. Lastly, there was
GOTO(SUM(L,R)
REMEMBER(T)
by now, we had pretty much established that the markings on the original clue were numbers, encoded with the bars meaning 5 and the dots meaning one (This turned out tot be Mayan counting in the end, but we didn't know that). If we overlaid the TLR figure over each hexagon on this clue, we could label each number with T, L or R.