P 4/N B M,NR.125*CS,CZ*
LATT  1
SYMM  -X,0.5+Y,Z
SYMM  0.5+X,-Y,Z
SYMM  0.5-X,0.5-Y,Z
SYMM  Y,X,-Z
SYMM  -Y,0.5+X,-Z
SYMM  0.5+Y,-X,-Z
SYMM  0.5-Y,0.5-X,-Z
    -.25 .25 / -.25 .25 / 0 .5
    SONDER: X .LE. -Y
    P 4/N B M,NR.125*CS,CZ*