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Topic: Linked List Problem / Level: advanced

Problem: Write a function to merge two sorted circular singly linked lists into one sorted circular doubly linked list using merge sort.

More Problems

How do you detect and remove all loops in a multilevel circular singly linked list where nodes contain both child and sibling pointers?
Implement a function to rotate a circular singly linked list such that every k-th node becomes the new head while maintaining the structure of child pointers.
Write a function to flatten a multilevel circular singly linked list where each node contains both forward and sibling pointers.
How do you rearrange nodes in a circular singly linked list such that all prime values appear before composite values while maintaining the structure?

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