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:
| Class | Type | No. Converted | Year Converted | No. range | Operator | Withdrawn |
| --- | --- | --- | --- | --- | --- | --- |
| Class 423/1 | 4Vep | 191.0 | 1988-95 | 3401-3591 | SET | 10/2005 |
| Class 423/1 | 4Vep | 191.0 | 1988-95 | 3401-3591 | Southern | 11/2005 |
| Class 423/1 | 4Vep | 191.0 | 1988-95 | 3401-3591 | SWT | 05/2005 |
| Class 423/1 | 4Vep | 12.0 | 1995 | 3801-3812 | SET | 12/2004 |
| Class 423/1 | 4Vep | 12.0 | 1995 | 3801-3812 | SWT | 05/2005 |
| Class 423/8 | 4Vip | 8.0 | 2003 | 3813-3844 | Southern | 08/2005 |
| Class 423/9 | 4Vop | 19.0 | 1998-99 | 3901-3919 | Southern | 08/2005 |
Question:
Tell me the number range for 4vip
Answer:
3813-3844