| There are 5 hosts numbered from 0 to 4, and 4 tasks numbered from 0 to 3. Each host has a set of tasks that it is interested in: | |
| Host 2 is interested in task 3. | |
| Host 3 is interested in task 3. | |
| Host 4 is interested in task 1. | |
| Host 1 is interested in task 2. | |
| Host 2 is interested in task 1. | |
| Host 3 is interested in task 1. | |
| Host 4 is interested in task 3. | |
| Host 1 is interested in task 0. | |
| Host 1 is interested in task 3. | |
| Host 4 is interested in task 2. | |
| Host 4 is interested in task 0. | |
| Host 1 is interested in task 1.. |