swap wc tickets, have qf Gelsenkirchen want qf Berlin or sf Dortmund

[cckersten]

have 1 ticket cat. 3 for the Gelsenkirchen Quarterfinal ( Match 59 ), want 1 ticket for the Berlin Quarterfinal ( Match 57 )

have 2 tickets cat. 2 plus extra charge for the Gelsenkirchen quarterfinal ( Match 59 ), want 2 tickets for the semifinal in Dortmund ( Match 61 )