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Frankfurt
brainstorming
DarkOrange
32x32
Stuttgart
SandyBrown
Dusseldorf
Linen
Essen
Goldenrod
Bremen
Silver
Dortmund
DarkSlateGray
Munich
Cologne
LightSkyBlue
Hamburg
Berlin
Addictive Flavour
brainstorming, alternative
DimGray
48x48
LemonChiffon
Flavour Extended
Idea, brainstorming, Light bulb
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Business & finance
Glyph
Business and Finance
Idea, brainstorming, imagination
CadetBlue
512x512
Mixed
Flat
Higher Education Icon Set
bulb, brainstorming, lightbulb
SteelBlue
256x256
Duesseldorf
UI
Smooth
Pixel
Avatars & smileys
brainstorming, Brain
Outline