five months later

Do you remember this post? Last year in October I've tried sowing lithops directly on the pumice stones,  which was a big success. Now those tiny seedlings look like this:

 They will probably grow on each other's "heads" soon but I'm not sure whether to repot them just now. What do you think?

There's one little monster among them. It will probably outgrow this shape with the next leaves. :)