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Posted

Right, this is a first in a number of threads were, i will try to disprove "dubious" theorems.

 

Now, to disprove this, I intend to draw a country arrangement, where 2 colours are the same, and not where it is just like 6 lines dividing up in a cross formation, where each tip touches.

 

So far i have come up with the following, that appears to "not" work.

4 Colour MT.bmp

Posted

i'm confused

 

you do realise you could re-colour your picture (using only the 4 colours) with no 2 touching sections being the same colour, right?

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