P 41,NR.76*CS,CZ*
LATT  -1
SYMM  -X,-Y,0.5+Z
SYMM  -Y,X,0.25+Z
SYMM  Y,-X,0.75+Z
    0 .5 / 0 .5 / 0 1
    P 41,NR.76*CS,CZ*