Off course the coordinates above are NOT the real coordinates. For the real coordinates you need to solve the riddle
A typical Dutch riddle with typical Dutchie things and with typical Dutchie methods... 
Solve the riddle, get the coordinates, (check the checker) and hoist the flag!

B(A+I)CG(F-B)H
(A-H)E(D+F)(C+B)F(G-I-A)
Have fun!
