| In a directed graph with 12 nodes numbered from 0 to 11: |
| node 1 should be visited before node 2 |
| node 2 should be visited before node 8 |
| node 4 should be visited before node 0 |
| node 4 should be visited before node 6 |
| node 4 should be visited before node 2 |
| node 5 should be visited before node 7 |
| node 5 should be visited before node 1 |
| node 5 should be visited before node 2 |
| node 5 should be visited before node 8 |
| node 7 should be visited before node 9 |
| node 7 should be visited before node 8 |
| node 11 should be visited before node 6 |
| node 11 should be visited before node 7 |
| node 11 should be visited before node 1 |
| node 11 should be visited before node 9 |
| node 11 should be visited before node 8. |
