__________
Taking x="good riddles"; y="hard";
------- -------
| | | | | |
5. | 1 | | 6. | 1 | 0 |
| | | | | |
------- -------
------- -------
| | | | | |
7. | 0 | 0 | 8. | 0 | |
| | | | | |
------- -------
__________
[See pp. 61, 2]
Taking x="lobster"; y="selfish";
------- -------
| | | | | |
9. | | 1 | 10. | 0 | |
| | | | | |
------- -------
------- -------
| | | | | |
11. | 0 | 1 | 12. | 1 | 1 |
| | | | | |
------- -------
__________