I think it should be down to the winners of the previous round to decide, but I'd suggest a bye for everyone left in through to the next round is probably the fairest solution.
This is probably the best, although I'll go along with any solution.
Arsenal v Hull Reading v West Brom Watford v Leeds Bournemouth v Everton Blackburn v West Ham Tottenham v Crystal Palace Chelsea v Man Cuty Shrewsbury v Man Utd
Arsenal v Hull Reading v West Brom Watford v Leeds Bournemouth v Everton Blackburn v West Ham Tottenham v Crystal Palace Chelsea v Man City Shrewsbury v Man Utd
Arsenal v Hull Reading v West Brom Watford v Leeds Bournemouth v Everton Blackburn v West Ham Tottenham v Crystal Palace Chelsea v Man City Shrewsbury v Man Utd
Arsenal v Hull Reading v West Brom Watford v Leeds Bournemouth v Everton Blackburn v West Ham Tottenham v Crystal Palace Chelsea v Man City Shrewsbury v Man Utd
Arsenal v Hull Reading v West Brom Watford v Leeds Bournemouth v Everton Blackburn v West Ham Tottenham v Crystal Palace Chelsea v Man City Shrewsbury v Man Utd
Not sure if we are back in or not, so just to cover the bases
Arsenal v Hull Reading v West Brom Watford v Leeds Bournemouth v Everton Blackburn v West Ham Tottenham v Crystal Palace Chelsea v Man City Shrewsbury v Man Utd
Arsenal v Hull Reading v West Brom Watford v Leeds Bournemouth v Everton Blackburn v West Ham Tottenham v Crystal Palace Chelsea v Man City Shrewsbury v Man Utd
Arsenal v Hull Reading v West Brom Watford v Leeds Bournemouth v Everton Blackburn v West Ham Tottenham v Crystal Palace Chelsea v Man City Shrewsbury v Man Utd