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