A. G00X30Y-30; B. G00X-30Y-30; C. G00X-30Y30; D. G00X30Y30;
A. G00Z-3F100; B. G01Z-3F100; C. G00Z0F100; D. G01Z0F100;
A. G41G01X0D01; B. G42G01X0D01; C. G41G01Y0D01; D. G42G01Y0D01;
A. G02X-50Y100R-50; B. G03X-50Y100R-50; C. G02X-50Y100R50; D. G03X-50Y100R50;
A. X-100; B. G00X-100; C. G01X-100; D. G02X-100;
A. G02X-160Y0R-20; B. G03X-160Y0R-20; C. G02X-160Y0R20; D. G03X-160Y0R20;
A. G01X20; B. G00X20; C. G01X0; D. G00X0;
A. G49G01X-30Y30; B. G40G01X30Y-30; C. G49G01X-30Y-30; D. G40G01X30Y30;
A. G90G27Z0; B. G91G27Z0; C. G90G28Z0; D. G91G28Z0;