The cells that are selected but do 
not contain any pumping wells are 
by default assigned a max pumping 
of zero in this file.
row column  fix_use_AF  max_use_af  percentage_decrease
89 160 300  -1  -1
89 161 300  -1  -1
90 161 300  0  -1
90 160 300  0  -1
90 162 300  0  -1
88 160 300  0  -1
90 159 300  0  -1
88 159 300  0  -1
88 162 300  0  -1
89 159 300  0  -1
89 162 300  0  -1
88 161 300  0  -1