Here's a randomly generated binary tree. The traversal orders are shown below. Just refresh the page to generate a new tree.

Pre-Order

[703, 581, 237, 706, 9, 518, 901, 988, 904, 766, 816, 229, 72, 511, 707, 515]

In-Order

[9, 706, 518, 237, 988, 901, 904, 581, 229, 816, 766, 703, 515, 707, 511, 72]

Post-Order

[9, 518, 706, 988, 904, 901, 237, 229, 816, 766, 581, 515, 707, 511, 72, 703]