I did not undertand how two recursive call running

first we have a firrst recursive call in which(in,out,i+1,j+1)without it is going on base case we came down on next rrecursive call how thhis is possible .that we are on first recursive call and without going on its basecase we cam on next line and start exexcuting next recursive call whic is subsequence (in,out,i+1,j) plzz elaborate it

hello @Aditya-Kushwaha-914550392281281
all recusive call goes to it base case and then only line after that call will be executed.

check this image u will get clear idea.
image

pls refer this article for furthur explanantion

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