4 4 4 90 90 90
1 0 0
0 1 0
0 0 1
0 0.5 0.5 c_A=0.75,c_B=0.25
0.5 0 0.5 c_A=0.75,c_B=0.25
0.5 0.5 0 c_A=0.75,c_B=0.25
0 0 0 a_A=1