Testing...
Height of the tree: 5
     Tree breadth-first traversal:
     Level #: 0
(zero,0)
     Level #: 1
(one,1)
     Level #: 2
(four,4)
(two,2)
     Level #: 3
(five,5)
(nine,9)
(three,3)
     Level #: 4
(eight,8)
(six,6)
     Level #: 5
(seven,7)
     Tree inorder traversal:
(eight,8)
(five,5)
(four,4)
(nine,9)
(one,1)
(seven,7)
(six,6)
(three,3)
(two,2)
(zero,0)
     Tree preorder traversal:
(zero,0)
(one,1)
(four,4)
(five,5)
(eight,8)
(nine,9)
(two,2)
(three,3)
(six,6)
(seven,7)
     Tree postorder traversal:
(eight,8)
(five,5)
(nine,9)
(four,4)
(seven,7)
(six,6)
(three,3)
(two,2)
(one,1)
(zero,0)
Done!