I used slot 1 and 2
1 for knobs (PRG + Pad 1)
2 for sliders (PRG + Pad 2)
a) (PRG + Pad 1) Knob-Preset (knobs control the 8 macros, or whatever ableton automaps)
b) (PRG + Pad 2) Slider-Preset (knobs control sliders)
Make music, get into flow, enjoy.