P 6/M M M,NR.191*CB*  
LATT 1
SYMM   -Y,    X-Y, Z
SYMM    Y-X, -X,   Z
SYMM    Y,    X,   Z
SYMM   -X,    Y-X, Z
SYMM    X-Y,  -Y,  Z
SYMM    X,    Y,  -Z
SYMM   -Y,    X-Y,-Z
SYMM    Y-X, -X,  -Z
SYMM    Y,    X,  -Z
SYMM   -X,    Y-X,-Z
SYMM    X-Y, -Y,  -Z
    0 .6666 / 0 .3333 / 0 .5
    SONDER: X .LE. (1+Y)/2
    SONDER: Y .LE. X/2
    P 6/M M M,NR.191*CB*