That's funny. I have a baby Greek who almost doesn't seem content eating any other way. I always find him but up or down or even almost sideways. He's a pretty funny little dude and it cracks me up just like this
You should use all the bricks now for the Russian. Lay them flat and stack them up for 2 or 3 rows with each row slightly more inward than the one below it. Then she can't climb out.