Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Position | Club | Played | Points | Wins | Draws | Losses | Goals for | Goals against | Goal Difference |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | Córdoba CF | 30 | 40 | 16 | 8 | 6 | 48 | 22 | +26 |
| 2 | CD Málaga | 30 | 38 | 14 | 10 | 6 | 52 | 36 | +16 |
| 3 | Granada CF | 30 | 36 | 15 | 6 | 9 | 48 | 34 | +14 |
| 4 | UD Las Palmas | 30 | 35 | 15 | 5 | 10 | 47 | 39 | +8 |
| 5 | Recreativo de Huelva | 30 | 33 | 13 | 7 | 10 | 43 | 42 | +1 |
| 6 | Levante UD | 30 | 32 | 14 | 4 | 12 | 49 | 42 | +7 |
| 7 | Hércules CF | 30 | 32 | 14 | 4 | 12 | 55 | 46 | +9 |
| 8 | Real Murcia | 30 | 31 | 12 | 7 | 11 | 40 | 35 | +5 |
| 9 | Real Jaén | 30 | 31 | 14 | 3 | 13 | 58 | 42 | +16 |
| 10 | Cádiz CF | 30 | 28 | 12 | 4 | 14 | 43 | 52 | -9 |
| 11 | CD Cartagena | 30 | 28 | 13 | 2 | 15 | 45 | 56 | -11 |
| 12 | CD Mestalla | 30 | 27 | 11 | 5 | 14 | 50 | 49 | +1 |
| 13 | Albacete Balompié | 30 | 27 | 10 | 7 | 13 | 27 | 32 | -5 |
| 14 | CD San Fernando | 30 | 27 | 11 | 5 | 14 | 37 | 47 | -10 |
| 15 | Atlético Ceuta | 30 | 23 | 8 | 7 | 15 | 33 | 48 | -15 |
| 16 | CD Villarrobledo | 30 | 12 | 4 | 4 | 22 | 26 | 79 | -53 |
Question:
what is the difference between the points earned by cordoba and the points earned by cd villarrobledo?
Answer:
28