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