https://youtu.be/PpI3kaPgb5A

Action Position (Solid) Position (Hollow)
mash space 0 0
hold W 1 1
hold LMB early null null
hold LMB late 0 0
mash space on frame x x x+1
hold W on frame x x+2 x+3
hold LMB on frame x x+1 x+2