Ex: Default range for Kaiser Blades is 25 pixels, but DatEdit changes this to 16 (displayed as 1 when editing) when saving the DAT file.
I discovered this while writing a custom compiler/decompiler for DAT files

None.

Zoan -- of course it isn't full understanding. You could ask "is the mechanism by which this counterexample blows up the ONLY mechanism possible for an initial configuration to blow up?"
Zoan -- Heinermann
Heinermann -- it also didn't solve that problem but hey as long as the investors are pleased
NudeRaider -- I have no idea tbh. All I know no human was ever able to solve it, but there's at least a few that beat portal 
RIVE