P N N A,NR.52*CS,CZ*
LATT  1
SYMM  0.5-X,-Y,Z
SYMM  X,0.5-Y,0.5-Z
SYMM  0.5-X,0.5+Y,0.5-Z
    0 1 / 0 .25 / 0 .5
    P N N A,NR.52*CS,CZ*