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Nico and Daniel from Lower Heath CE Primary School submitted the following solution:
Notice how they worked methodically and recorded their results in a systematic way. Can you see how the results would be different if we were to impose more rules, for instance only being allowed to visit each vertex once? If there is no limit to how many times you can visit each vertex, then there would be plenty more routes that could go on forever! Nico and Daniel also tackled the second half of the problem:Part 2 Here is a picture of our model:
Excellent work, thank you for sending it in to us and well done for cracking this tough nut!