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This cache is hidden in an suburban area of Cologne near the A1 (motorway).
Park your car at the coordinates shown above. Now proceed to
N 50° 59.443
E 006° 52.321
You'll see a group of posts there. The picture below shows you what to look for.
Find out which numbers are missing on the picture and assign them as follows:
upper number = A
lower left number = B
lower right number = C
Search for cache at:
N 50° 59.(B) (B*2) (A)
E 006° 52.(C-B+A) (C-(B-A)) (B-A)
Watch the area before you approach the hiding place and write your log a few metres off the spot.
Please leave cache well hidden - thank you!
Update Jan, 11th 2005: Original name of this cache was 12 steden, 13 ongemakken: Köln. As this series hasn't been completed yet we changed the name. No need to note the given hint any longer
Update Sep, 10th 2009: Calculation for final changed, new hiding-place, size changed
New final coords may be off a bit, reception wasn't the best
Update Apr, 3rd 2013: calculation for final changed, new hiding-place, spoiler pic added
Update Dec, 1st 2013: box exchanged (now regular instead of small), new logbook
snyyra gerr, abg ng tebhaq yriry