No worries.
Here you go.
I've given the worst one (drivers floor) a scrub across the top half of it with a brush in the electric drill and some carpet cleaner (really only to see if the carpet cleaner had any weird reactions to Volvo carpet).
All are filthy, passenger side and rear matts should come out ok with scrubbing. Drivers side matt has got some heel wear.
With some scrubbing the charcoal drivers carpet from the same car came out quite well and it was fairly disgusting as a starting point.