TB	    X(in)      Y(in)	  Z(in)
     1    8.50077   -2.32103  -20.22567
     2   -8.50102   -2.32071  -20.21968
     3   -8.49644   -2.32315   19.64937
     4    8.50609   -2.33213   19.64303
     A    7.81319   -2.31649  -20.22623
     B   -7.81374   -2.31917  -20.22381
     C   -7.80898   -2.31644   19.65104
     D    7.81711   -2.32698   19.65012