DDR: Orography on the fine A-grid. 
   0    0    0    0 500 1000  500  300  100    0   10   20   30
   0    0    0    0 300  500   50  150   50    0    0   20   50
   0  500    0    0   0    0    0  200   50    0   10   50  150
  50  200   50    0   0   20    0   30    0    0   50   80  100
 100   50  100    0   0    0    0   20   20   10   30  100  150
 100  200  100    0   0  150  200  100  100  100  100   90   80
   0  100    0   50 200  200  400  300  300  300  250  200  180
   0   80  100  100 200  400  400  400  200  500  500  400  250
   0    0   30  200 400 1200 1800 1500  300  150  600  700  100
   0    0   50  500 500  400  100  300  200  170  400  200    0
 750  200  400  500  70   50  150  100  300  800  900  600    0
 600  800  600  250   0   20    0  600   50  150  500  400  200
 300  500  500    0   0   40    0    0  600    0  700   50  100
 400  700 100     0   0    0    0    0  500  200  300  100  500