List of board sizes

The most f*cked up board size not including the tiny ones like 2x2, 3x3, 4x4, 5x5 is definitely 25x25/23x23. How is it supposed to end? No wonder OGS banned them from being rated. Also, it makes my eyes hurt just staring at it.

If those are the worst I can offer this one for calming your eyes: Little Golem