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