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Family & home
Pixel
IconBeast Lite
Brain
Black
30x30
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UI
Fugue Icons
Arrow, Brain
PaleVioletRed
16x16
Brain, exclamation
Brain, pencil
Brain, Empty
DarkRed
Minus, Brain
Brain, plus
Mixed
PC 100 Icon Pack
Thinking, Brainstorm, think
DarkSlateGray
32x32