The nice background is part of the Digital Blasphemy gallery by Ryan Bliss.

This is the output of the most basic example provided, the parity problem. The network has to recognize these samples:

0 - 0 - 0  =>  0
0 - 0 - 1  =>  1
0 - 1 - 0  =>  1
0 - 1 - 1  =>  0
1 - 0 - 0  =>  1
1 - 0 - 1  =>  0
1 - 1 - 0  =>  0
1 - 1 - 1  =>  1