Icon Sources
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[0] Board Game Icons: https://kenney.nl/assets/board-game-icons
- state.png
- random_state.png
- sequence_state.png

[1] Game Icons: https://kenney.nl/assets/game-icons
- animation_state.png

[2] Pictogrammers: <https://pictogrammers.com/library/mdi/>
- state_machine_debugger.png (tinted)