1. A better descriptor
2. A better descriptor
3. A better descriptor
4. A better descriptor
5. A better descriptor
6. A better descriptor
7. A better descriptor
8. A better descriptor
9. A better descriptor
10. A better descriptor
11. A better descriptor
12. A better descriptor
13. A better descriptor

1. A better descriptor
2. A better descriptor
3. A better descriptor
4. A better descriptor
5. A better descriptor
6. A better descriptor
7. A better descriptor
8. A better descriptor