Having them lined up like this makes them easier to count. You've got four rows of meebs, with 3 meebs in each row. So all together that's 4 times 3, which equals 12. From where you're standing you ...
In order to make your writing clear, you need to use commas. As well as using them to separate out key information, or divide up different clauses, commas can also completely change the meaning of a ...