In article <virgil-0F15D5.22060105032014@BIGNEWS.USENETMONSTER.COM>, Virgil <email@example.com> wrote:
> In article <firstname.lastname@example.org>, > email@example.com wrote: > > > What are examples of 3 color maps? > > A map with only 3 countries does not need more than 3 colors.
And a suitable map with any number of countries can get by with two colors.
Consider a checkerboard as a map in which each square is a country.