header of sample file

;FLAVOR:Marlin
;TIME:2035
;Filament used: 1.21501m
;Layer height: 0.2
;MINX:114.238
;MINY:125.906
;MINZ:0.2
;MAXX:185.762
;MAXY:174.094
;MAXZ:6
;Generated with Creality Slicer 4.8.2-205
M140 S60
M105
M190 S60
M104 S200
M105
M109 S200
M82 ;absolute extrusion mode

G28 ;Home

G92 E0 ;Reset Extruder
G1 Z2.0 F3000 ;Move Z Axis up
G1 X10.1 Y20 Z0.28 F5000.0 ;Move to start position
G1 X10.1 Y200.0 Z0.28 F1500.0 E15 ;Draw the first line
G1 X10.4 Y200.0 Z0.28 F5000.0 ;Move to side a little
G1 X10.4 Y20 Z0.28 F1500.0 E30 ;Draw the second line
G92 E0 ;Reset Extruder
G1 Z2.0 F3000 ;Move Z Axis up

G92 E0
G92 E0
G1 F3600 E-5
;LAYER_COUNT:30
;LAYER:0
M107
G0 F6000 X118.28 Y128.055 Z0.2
;TYPE:SKIRT
G1 F3600 E0
G1 F1200 X118.879 Y127.54 E0.02627
G1 X119.527 Y127.089 E0.05253
G1 X120.218 Y126.705 E0.07883
G1 X120.943 Y126.393 E0.10508
G1 X121.696 Y126.156 E0.13133
G1 X122.47 Y125.997 E0.15761
G1 X123.255 Y125.916 E0.18386
G1 X123.657 Y125.906 E0.19724
G1 X146.786 Y125.906 E0.96651
G1 X147.575 Y125.946 E0.99279
G1 X148.355 Y126.065 E1.01903
etc...