##
my @paths = (
"/colours/paprika/1/good/red",
"/colours/paprika/1/bad/green",
"/colours/paprika/2/good/yellow",
"/colours/paprika/2/bad/brown",
"/colours/banana/yellow"
);
my %invert = (
colours=>[0,1,2,3,4],
paprika=>[0,1,2,3],
banana=>[4],
good=>[0,2],
bad=>[1,3],
red=>[0],
green=>[1],
yellow=>[2,4],
brown=>[3],
);