font-stretch mapping with different font family sets
(only numbers should appear in the body of the table)
| width | full | 1-3 | 1-4 | 1-5 | 2-6 | 4-6 | 4-7 | 6-7 | 7-9 | 8-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 2 | 4 | 4 | 6 | 7 | 8 |
| 2 | 2 | 1 | 1 | 1 | 2 | 4 | 4 | 6 | 7 | 8 |
| 3 | 3 | 3 | 1 | 1 | 2 | 4 | 4 | 6 | 7 | 8 |
| 4 | 4 | 3 | 4 | 1 | 2 | 4 | 4 | 6 | 7 | 8 |
| 5 | 5 | 3 | 4 | 5 | 2 | 4 | 4 | 6 | 7 | 8 |
| 6 | 6 | 3 | 4 | 5 | 6 | 6 | 7 | 6 | 7 | 8 |
| 7 | 7 | 3 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 8 |
| 8 | 8 | 3 | 4 | 5 | 6 | 6 | 7 | 7 | 9 | 8 |
| 9 | 9 | 3 | 4 | 5 | 6 | 6 | 7 | 7 | 9 | 9 |