how to convert sprites from .cl3 file?

[classxio]

Hello! I'm on a journey to rip the sprites from Virche Evermore, and I'm pretty stumped on how to actually get the images. I've got my dump of the game sorted, all the files are there, but I can find absolutely nothing that lets me convert the sprites from the .cl3 files they are for some reason saved as.
 Anyone have any idea what tools or steps I could use to get them from this format to something usable?