X1=ENVIRON["X1"]; X2=ENVIRON["X2"]; X3=ENVIRON["X3"]
Y1=ENVIRON["Y1"]; Y2=ENVIRON["Y2"]; Y3=ENVIRON["Y3"]
Z1=ENVIRON["Z1"]; Z2=ENVIRON["Z2"]; Z3=ENVIRON["Z3"]
}
{
X1=ENVIRON["X1"]; X2=ENVIRON["X2"]; X3=ENVIRON["X3"]
Y1=ENVIRON["Y1"]; Y2=ENVIRON["Y2"]; Y3=ENVIRON["Y3"]
Z1=ENVIRON["Z1"]; Z2=ENVIRON["Z2"]; Z3=ENVIRON["Z3"]
}
{