Hint for image files

The files are stored in the directory /m23/data+scripts/clientImages in different types and with distinct compressions. The file names are always created after the following scheme: $\langle$Image name$\rangle$$\langle$Size of the extracted image in bytes$\rangle$$\langle$Image format$\rangle$$\langle$Compression$\rangle$
Image format is one of the following values:
For the compression the following is valid: