Wenn ich das kurz korrigieren darf?

order by Case When Kdnr = 50 Then 1 End,
Case When KdNr = 1 Then 2 End,
Case When KdNr = 10 Then 3 End,
Case When KdNr = 8 Then 4 End,
Case When KdNr = 60 Then 5 End,
Case When KdNr = 5 Then 6 End;