Just so you know, the creator of this image made an updated version that also readjusts the dot colors to be easier to differentiate (he described it as colorblind-friendly, but even without colorblindness the shades of the two dots in the original version are similar enough to mix up):
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VinchVolt
May 17, 2019 at 10:33AM EDT
Braneman
May 16, 2019 at 11:02PM EDT