Lego 10-speed transmission with splitter version II

How to build Lego 10-speed transmission for light and medium duty trucks, version II. 5-speed main gearbox & splitter unit. Two setups: original setup inspired by Scania GS771 transmission and alternative setup by Scania GS770. More info chapter "M.2. 10-speed with splitter version II" and more my Lego gearbox ideas: www.lugnet.com/~3813/ (ad blocker recommended).
In this clip:
-original starts 0:08
-original ready 1:44
-ratios original 1:52
-alternative starts 2:00
-alternative ready 3:36
-ratios alternative 3:44
-ratio comparison (Lego vs. Scania) 3:52