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Keywords: Color5 black-is-border 4-color.png en Image Color5 jpg by Fsswsb colored correctly by Closeapple to demonstrate the four color theorem Assuming black is border and not area and using 4 colors Cleaned colored and optimized by Closeapple using the Gimp and PNGOUT Own 2007-10-22 Closeapple based on shapes by en User Fsswsb Image Color5_black-is-area_2-color png assuming black is an extra area instead of border Four-color theorem |