in reply to Linked list in Perl
Linked list is best if you need to add at the end and pick from beginning. If you want to insert/remove elements in the middle you have to travel from the beginning and if you are at desired element C (after which you want to insert new element N) just copy link to next element from C to N, set link to next element in C to N and you are done.
So you want to change
C -> nextElem
toC -> N -> nextElem
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