1. Undirected Breadth First Search A H B C G D E F

2. Undirected Breadth First Search 0 A distance from A H visit(A) B C G D E F get Undiscovered Queue: A Fringe Active Finished

3. Undirected Breadth First Search F 1 0 A H F discovered B C G D E F Undiscovered Queue: Fringe Active Finished

4. Undirected Breadth First Search B 1 0 A H B discovered B C G D E F 1 Undiscovered Queue: F Fringe Active Finished

5. Undirected Breadth First Search C 1 0 A H C discovered B C G 1 D E F 1 Undiscovered Queue: F B Fringe Active Finished

6. Undirected Breadth First Search 1 G 0 A H G discovered B C G 1 1 D E F 1 Undiscovered Queue: F B C Fringe Active Finished

7. Undirected Breadth First Search 0 A H 1 A finished B C G 1 1 D E F 1 get Undiscovered Queue: F B C G Fringe Active Finished

8. Undirected Breadth First Search 0 A H 1 A alreadyvisited B C G 1 1 D E F 1 Undiscovered Queue: B C G Fringe Active Finished

9. Undirected Breadth First Search D 2 0 A H 1 D discovered B C G 1 1 D E F 1 Undiscovered Queue: B C G Fringe Active Finished

10. Undirected Breadth First Search 2 E 0 A H 1 E discovered B C G 1 1 D E 2 F 1 Undiscovered Queue: B C G D Fringe Active Finished

11. Undirected Breadth First Search 0 A H 1 F finished B C G 1 1 2 D E 2 F 1 get Undiscovered Queue: B C G D E Fringe Active Finished

12. Undirected Breadth First Search 0 A H 1 B C G 1 1 2 D E 2 F 1 Undiscovered Queue: C G D E Fringe Active Finished

13. Undirected Breadth First Search 0 A H 1 A alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: C G D E Fringe Active Finished

14. Undirected Breadth First Search 0 A H 1 B finished B C G 1 1 2 D E 2 F 1 get Undiscovered Queue: C G D E Fringe Active Finished

15. Undirected Breadth First Search 0 A H 1 A alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: G D E Fringe Active Finished

16. Undirected Breadth First Search 0 A H 1 C finished B C G 1 1 2 D E 2 F 1 get Undiscovered Queue: G D E Fringe Active Finished

17. Undirected Breadth First Search 0 A H 1 A alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: D E Fringe Active Finished

18. Undirected Breadth First Search 0 A H 1 E alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: D E Fringe Active Finished

19. Undirected Breadth First Search 0 A H 1 G finished B C G 1 1 2 D E 2 F 1 get Undiscovered Queue: D E Fringe Active Finished

20. Undirected Breadth First Search 0 A H 1 E alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: E Fringe Active Finished

21. Undirected Breadth First Search 0 A H 1 F alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: E Fringe Active Finished

22. Undirected Breadth First Search 0 A H 1 D finished B C G 1 1 2 D E 2 F 1 get Undiscovered Queue: E Fringe Active Finished

23. Undirected Breadth First Search 0 A H 1 D alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: Fringe Active Finished

24. Undirected Breadth First Search 0 A H 1 F alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: Fringe Active Finished

25. Undirected Breadth First Search 0 A H 1 G alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: Fringe Active Finished

26. Undirected Breadth First Search H 3 0 A H 1 H discovered B C G 1 1 2 D E 2 F 1 Undiscovered Queue: Fringe Active Finished

27. Undirected Breadth First Search 0 A H 3 1 E finished B C G 1 1 2 D E 2 F 1 get Undiscovered Queue: H Fringe Active Finished

28. Undirected Breadth First Search 0 A H 3 1 E alreadyvisited B C G 1 1 2 D E 2 F 1 Undiscovered Queue: Fringe Active Finished

29. Undirected Breadth First Search 0 A H 3 1 H finished B C G 1 1 2 D E 2 F 1 STOP Undiscovered Queue: Fringe Active Finished

30. Undirected Breadth First Search 0 A distance from A H 3 1 B C G 1 1 2 D E 2 F 1