#N 4 1
 #C Al
 ## force file generated from file OUTCAR
 #X    4.00000000    0.00000000    0.00000000
 #Y    0.00000000    4.00000000    0.00000000
 #Z    0.00000000    0.00000000    4.00000000
 #W 50
 #E -3.6884100000
 #F
 0           0           0           0           0           0           0
 0           0           2           2           0           0           0
 0           2           0           2           0           0           0
 0           2           2           0           0           0           0