Contest 3

Build a bridge with the biggest area.
The distance AB =18.

Notice the rule used to join the 12 pentominoes is that they must touch along the full edge of the square and not just at the corners.

This   example was made by Wieland Dosfel from Ronse, Belgium

This solution was made as an example by Wieland Dosfel from Ronse, BeLgium
Do you have our exel file to draw the pentominoesbridge?
You can download it here.