4 header
grid a 5 b 4 c 20
size x 8e-06 y 5e-06 z 4e-06
origin x 0.0 y 0.0 z 0.0
homogenization 1
1 1 1 1 1
2 4 6 7 9
10 12 14 15 17
26 28 30 31 33
34 36 38 39 41
2 2 2 2 2
1 3 5 6 8
9 11 13 14 16
25 27 29 30 32
33 35 37 38 40