1 day  24 hours  24 puzzles  1 geocache
The 24 hours of Gebrook
Below 24 puzzles will appear. The puzzle changes every hour. Between 07:00 and 08:00 there will be a different puzzle than between 08:00 and 09:00. Each day you will find the same puzzle at the same time.
Refresh the page regularly to ensure the puzzle belonging to the current time is shown. (Use the refresh button of the browser or for Windows F5 or Shift+F5 and for Mac Cmd+R or Cmd+Shift+R)
Solve each puzzle, the solution always consists of a number. Multiply all solutions of the even puzzles and add this number to the upper row of the solution table. Multiply all solutions of the odd puzzles and add this number to the lower row of the solution table. Next you are able to calculate the cache location using the given formula.
The puzzle
Unfortunately the puzzles are not (yet) available in English. Please contact me if you run into any problems and I will help the best I can.
The solution table
Multiply all solutions of the even puzzles and fill out the result below 
A 
B 
C 
D 
E 
F 
G 
H 
I 
J 










Multiply all solutions of the odd puzzles and fill out the result below 
K 
L 
M 
N 
O 
P 
Q 
R 
S 
T 










The geocache
The geocache can be found at: N50º 5A' [C+R]M.D[N+G]I'' E005º 5L' C[R+T].[D+P]N[H+E+F]''