Thanks very much for all the replies. I appreciate it.
I'm happy enough now that I've got all the washers in the right order and place.
The problem I have now is with the doughnut. We're actually now on our 2nd cistern from B and Q, (long story!), but the fittings with this don't actually...
I realise that this is probably a really stupid question, but we all have to start somewhere!
I'm trying to connect the cistern to the pan of my new close coupled WC. It keeps leaking at the connections though. There are 2 rubber washer supplied for each bolt, one is flat and the other...