Inserting the following values: 
39 69 94 47 50 72 55 41 97 73 

Preorder traversal
39 69 47 41 50 55 94 72 73 97 

Inorder traversal
39 41 47 50 55 69 72 73 94 97 

Postorder traversal
41 55 50 47 73 72 97 94 69 39