G43H1Z30.
G31X#Y#1Z#1:
IF〔〔#5041-#1〕GE#10〕GOTO100 IF〔〔#5042-#2〕GE#10〕GOTO100 IF〔〔#5043-#3〕GE#10〕GOTO100
#101=#5043-#3
GOTO500
N100
#3000=3
N500
G30
Z30.
G31X#Y#1Z#1:
IF〔〔#5041-#1〕GE#10〕GOTO100 IF〔〔#5042-#2〕GE#10〕GOTO100 IF〔〔#5043-#3〕GE#10〕GOTO100
#101=#5043-#3
GOTO500
N100
#3000=3
N500
G30
Z30.