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