% :150 M0 G10G90L2P1 X0. Y-300. Z-400. G0G54 X0 Y0 G1 Z0 F800 M0 G1G91 Z50. F500 G90G0 X-150. G0G91 Z-50. G90G1 X-151.5 M0 G17 G1 X-150. F400 G2 I150. J0 G2 I150. J0 G1 X-151.5 M0 X-150. G3 I150. J0 G3 I150. J0 G1 X-151.5 M0 G1 X-150. F2000 G2 I150. J0 G2 I150. J0 G1 X-151.5 M0 X-150. G3 I150. J0 G3 I150. J0 G1 X-151.5 M0 G10G90L2P2 X0 Y-500. Z400. G0 G55 X-50. Y0 Z0 G1 X0 F500 M0 G1G91 X-50. G0G90 Y-150. G1G91 X50. G1G90 Y-151.5 M0 G19 G1 Y-150. F400 G2 J150. K0 G2 J150. K0 G1 Y-151.5 M0 G1 Y-150. G3 J150. K0 G3 J150. K0 G1 Y-151.5 M0 G1 Y-150. F2000 G2 J150. K0 G2 J150. K0 G1 Y -151.5 M0 G1 Y-150. G3 J150. K0 G3 J150. K0 G1 Y-151.5 M0 G10G90L2P3 X0 Y-300. Z-400. G0G56 X0 Y50. G0 Z0 G1 Y0 F500 M0 G1G91 Y50. G0G90 X-150. G0G91 Y-50. G1G90 X-151.5 M0 G18 G1 X-150. F400 G2 I150. K0 G2 I150. K0 G1 X-151.5 M0 G1 X-150. G3 I150. K0 G3 I150. K0 G1 X-151.5 M0 G1 X-150. F2000 G2 I150. K0 G2 I150. K0 G1 X-151.5 M0 G1 X-150. G3 I150. K0 G3 I150. K0 G1 X-151.5 M0 M99 %