| In a directed graph with 7 nodes numbered from 0 to 6: | |
| node 3 should be visited before node 6 | |
| node 3 should be visited before node 0 | |
| node 4 should be visited before node 0 | |
| node 5 should be visited before node 2 | |
| node 5 should be visited before node 1 | |
| node 6 should be visited before node 5. |