Create the doubly linked list : 8 < -> 4 < -> 4 < -> 6 < -> 4 < -> 8 < -> 4 < -> 10 < -> 12 < -> 12
push ( & head , 12 ) ; push ( & head , 12 ) ; push ( & head , 10 ) ; push ( & head , 4 ) ; push ( & head , 8 ) ; push ( & head , 4 ) ; push ( & head , 6 ) ; push ( & head , 4 ) ; push ( & head , 4 ) ; push ( & head , 8 ) ; cout << " Original ▁ Doubly ▁ linked ▁ list : n " ; printList ( head ) ;