TB	    X(in)      Y(in)	  Z(in)
     1    8.50031   -2.31573  -20.22397
     2   -8.50186   -2.32440  -20.24449
     3   -8.51925   -2.31816   19.63812
     4    8.48263   -2.32867   19.64559
     A    7.81185   -2.31358  -20.22608
     B   -7.81440   -2.31821  -20.24155
     C   -7.83246   -2.31715   19.64054
     D    7.79554   -2.32505   19.64852