Depth First Search (DFS)

                                A
                               /|\  
                              / | \ 
                             /  |  \
                            /   |   \
                           B    C    D
                          /     |
                         /      | 
                        E       H
                       / \    
                      /   \  
                     F     G

Depth First Traversal : [A, B, E, F, G, C, H, D]