0: (split horizontal:0.5:0.5 (clients max:0) (clients max:0))
1: (split horizontal:0.25:0.75 (clients vertical:0) (clients max:0))
2: (split horizontal:0.2:0.8 (clients vertical:0) (split horizontal:0.75:0.25 (clients max:0) (clients vertical:0)))
3: (clients max:0)
4: (clients max:0)
5: (clients max:0)
6: (clients max:0)
7: (clients max:0)
8: (clients max:0)
9: (clients max:0)
