Data Structures, Algorithms, & Applications in C++
Chapter 11, Exercise 19

Here is one tree: 
                                   a
                                /     \
                               b       e
                                \     /  \
                                 c   f    h
                                  \   \     
                                   d   g

The inorder listing is bcdafgeh

The level order listing is abecfhdg

Here is another tree: 
                                   a
                                /     \
                               b       e
                                \     /  \
                                 c   f    h
                                /   /       
                               d   g

The inorder listing is bdcagfeh

The level order listing is abecfhdg