This is a charlieplexing PCB. The figure is a black cat sitting on an unicorn ([on reddit](https://www.reddit.com/r/blackcats/comments/7opy9u/and_lo_i_saw_a_rider_on_a_pale_horse_and_the/)). The artwork was made by inkscape and EasyEDA.
A Tinkercad simulation with arduino compatible spaghetti code:
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