Here you can download the practice puzzles:
Booklet (pdf - 119kB)
Booklet solutions (pdf - 53kB)
The tasks of puzzles 1 - 3 in the booklet are the same, but in the competition there will be three different puzzles.
Time for solution of the competition puzzles will be 2 hours.
The puzzles of the Booklet were prepared by
Thomas Snyder