10 1 1 10 10 2 1 10 main_prefs 1 30 30 20 20 1 1 vertical 15 top 1 0 Extensions 1 start 1 center center 1 0 Extensions position 1 start 175 extensions-adjustment 0 0 Tweaks 1 start center center 0 0 Tweaks position 1 start 175 tweaks-adjustment