> 
> It is an old fat cat
> 
> 
> 

> 
> It is a fat old cat
> 
> 
> 

I am a bit confused because here the book says: the order should be like " opinion+size+age+shape+color... If we follow the order, then "the answer would be "an old (age)+fat(size)+ cat...?

Which is the correct order of adjectives?