main program ：
T1D1
M03S800
G0X50Z2
_CNAME="L42"
R105=1 R106=0.3 R108=2 R109=7
R110=1.5 R111=0.4 R112=0.25
LCYC95
R105=5 R106=0
LCYC95
G0X200Z200
T1D0
T2D1
G0X40Z-43
R100=38 R101=-45 R102=38 R103=-60
R104=1.5 R105=1 R106=0.2 R109=2
R110=3 R111=0.975 R112=0 R113=4
R114=1
LCYC97
G0X100
Z100
T2D0
M05
M02
L42.spf
G1X0Z0
G3X20.8Z-25.8K-15I0
G2X31.6Z-39.5CR=8
G1Z-45
X35
X38Z-46.5
Z-58.5
X35Z-60
Z-65
X39
X42Z-66.5
Z-75
M02
