Allow to place close,maximize,minimize buttons free to right or left side
at moment I use this gsettings:
gsettings set org.gnome.desktop.wm.preferences button-layout 'close,maximize,minimize:close,maximize,minimize'
So it helps me not getting confused if I change system. It may help also others and because you could free set the position it may also interesting for tweakers to set the buttons their own way.