Castle of Elite - Official game guide|
Introduction - Basics - Solutions - Secrets - Trivia
When the guide tells you to place a brick symbol on a certain square, it means you should aim the mouse cursor on that square.
4-2: The wall
A, B, C, D, E, F: Get the only available symbols and place them in this order.
G: Get this symbol and place it on I.
J: Get this symbol. Stand on K, jump and place the symbol on K. Get the Jump boots.
L: Get this symbol and place it on M. Get the last symbol and place it on N. Now get the last coin and climb up to the goal.