PLOT POSITIONS FOR SAP. DRAWING BOARD SIZE, X0 XLENGTH, OPT Y0 YLEN
 10000 10000
  1100  8500
    12  5000  5000
    13     1   100
    15     1 10000
    16    20    20
    29  4000  1000
    33  5000  4000
    34  9000  1000
    39  2000  2000