Replacing empty lists not working

DesignScript
1

Hello,
I am trying

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to replace the empty list and keep the same list sturcture but could not. I tried playing with lacing too but its not happening

2

Try to use list@level by clicking the *> * symbol after “seq” node port

3

Yesterday i tried and was not working. Today its working @L3 but the list structure is somehow changed as you can see in picture attached.

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4

Try building out the list structure on the replace element.

5

I think you replaced a list (that is a level on the output) with a single element (or something else single), that’s why the levels are changed