Can you paint the edges of a 2x2 grid with 4 colours, such that:
- The colours of edges of every 1x1 square are different.
- The colours of edges adjacent to every vertex are different.
Good luck!
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asked Oct 7, 2019 at 0:18
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1 Answer
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1
Is this what is meant?
Looks trivial though...
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1$\begingroup$ Correct and well done! Now you can try the harder version of this puzzle: puzzling.stackexchange.com/questions/89880/… $\endgroup$ Oct 7, 2019 at 0:41