I -4 3 D,NR.220*GC.BE*
LATT -2
SYMM	 Z,	X,     Y	
SYMM     Y,     Z,     X
SYMM  .5+X,  .5-Y,    -Z	
SYMM  .5+Z,  .5-X,    -Y
SYMM  .5+Y,  .5-Z,    -X 
SYMM 	-X,  .5+Y,  .5-Z
SYMM 	-Z,  .5+X,  .5-Y
SYMM  	-Y,  .5+Z,  .5-X
SYMM  .5-X,    -Y,  .5+Z	
SYMM  .5-Z,    -X,  .5+Y
SYMM  .5-Y,    -Z,  .5+X
SYMM .25+X, .25+Z, .25+Y
SYMM .25+Y, .25+X, .25+Z
SYMM .25+Z, .25+Y, .25+X
SYMM .75+X, .25-Z, .75-Y
SYMM .75+Y, .25-X, .75-Z
SYMM .75+Z, .25-Y, .75-X
SYMM .75-X, .75+Z, .25-Y
SYMM .75-Y, .75+X, .25-Z
SYMM .75-Z, .75+Y, .25-X
SYMM .25-X, .75-Z, .75+Y
SYMM .25-Y, .75-X, .75+Z
SYMM .25-Z, .75-Y, .75+X
    .25 .5 / .25 .5 / 0 .5
    SONDER: Z .LE. MIN. (X,Y)
    I -4 3 D,NR.220*GC.BE*