Sample go diagram, own creation
Original uploader was <a href="https://en.wikipedia.org/wiki/User:Charles_Matthews" class="extiw" title="en:User:Charles Matthews">Charles Matthews</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>
CC BY-SA 3.0
Transferred from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>