Shows a 4*4 Karnaugh map in a plane (right) and on a torus (left), consistently colored, and numbered; torus drawing based on <a href="//commons.wikimedia.org/wiki/File:Karnaugh_map_KV_Torus_1.png" title="File:Karnaugh map KV Torus 1.png">File:Karnaugh map KV Torus 1.png</a>
<a href="//commons.wikimedia.org/wiki/User:Jochen_Burghardt" title="User:Jochen Burghardt">Jochen Burghardt</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>