Train assembly algorithm

Question

I recently bought a toy train for my child. And, having assembled it, I wondered if I could create an application in which you place what stands out and how many of them you have, and the result is a track diagram, while in a rented closed circuit. So my input will be how much each type I have, these are the types:

And the result will be something like this:

What algorithm can I use to implement it, and if you have any suggestions or pointers, please tell me.

Answer 1

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Piece1-Piece4-Piece5 -...

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