ncols         4
nrows        6
xllcorner     0.0
yllcorner     0.0
cellsize      50.0
NODATA_value  -9999
-9999 -9999 5 2 
-9999 20 100 36
3 8 35 10
32 42 50 6
88 75 27 9
13 5 1 -9999