Problems Graphing Pattern

Hi. I posted this on another thread, but I wasn’t sure where to post it so I am trying here too… I am trying to graph out a pattern depicting a sitting cat, but when I try to make it small enough to fit on the mitten my aunt is knitting I can’t make the ears… here is how it used to look:

Here is how it looks now…

I know the tail needs to be fixed (And maybe I should make the head a little squat-er… but does anyone have any ideas about the ears? I would really appreciate any help!

How many stitches across can you use?