i need a drawing and all type of info includes to this 2 questions please asap

1. Concept Application: - Add a node with value 25 to the following doubly linked list - Then Make it a doubly circular linked list Your answer must include the followings: - The position of the pointer. - The linked list statues after every step. Question 2: (20 points) 2. Algorithm Write-up: Write a method removeDuplicateditems(Item item) for removing all duplicate items from the singly liked list. Example: The output of the algorithm should print