Oh, get over it. You can't change asymmetry. Or any other aberration from perfect harmony.
I used to have that problem, with odd numbers and asymmetry. Now...I'm somewhat a better artist because I don't keep trying to make things totally symmetrical.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)