[url=https://drive.google.com/file/d/1ua7fN6pxaTdwBW-f4ciapURjDAbQPTAt/view?usp=sharing]Arquivo DXF para corte a laser.[/url]

Complete the coloring of this map, so that no two adjacent regions are the same color. You can only use four colors: [color=#3d85c6]Blue[/color], [color=#6aa84f]Green[/color], [color=#ff0000]Red[/color], and [color=#8e7cc3]Purple[/color].[br][br]Click on the regions (quadrilaterals) to color them. To change the color, click again on the same region.

This puzzle has many solutions. You can see one here: [url=https://4.bp.blogspot.com/-Wtvv_5pkIHk/WE4_Ho9EasI/AAAAAAAALDs/FZn7OE_hSG0uFfWPvRO9eHD6_OcH1dH6gCLcB/s1600/sol1.png]A solution[/url]

Updated version using [url=https://www.geogebra.org/material/show/id/pGCXX3wW]Coloreando el mapa[/url] by [url=https://www.geogebra.org/ilarrosa]Ignacio Larrosa Cañestro[/url]