P -3 1 M,NR.162*CZECH*
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
    0 .6666 / 0 .5 / 0 .5
    SONDER: X .LE. (1+Y)/2
    SONDER: Y .LE. MIN. (1-X,X)
    P -3 1 M,NR.162*CZECH*