| In a directed graph with 11 nodes numbered from 0 to 10: |
| node 0 should be visited before node 8 |
| node 1 should be visited before node 9 |
| node 2 should be visited before node 8 |
| node 3 should be visited before node 8 |
| node 4 should be visited before node 9 |
| node 4 should be visited before node 5 |
| node 5 should be visited before node 10 |
| node 5 should be visited before node 2 |
| node 5 should be visited before node 8 |
| node 7 should be visited before node 6 |
| node 9 should be visited before node 6 |
| node 9 should be visited before node 2 |
| node 10 should be visited before node 6 |
| node 10 should be visited before node 8. |
