Python
C
Java
Python result:
C result:
Java result:
Traversing forward:
3 -> 5 -> 13 -> 2 -> ...
Traversing backward:
2 -> 13 -> 5 -> 3 -> ...
3 -> 5 -> 13 -> 2 -> ...
Traversing backward:
2 -> 13 -> 5 -> 3 -> ...
3 -> 5 -> 13 -> 2 -> ...
3 -> 5 -> 13 -> 2 -> ...