(version 20200610)

(condition (expression "A.type == 'Pad' && A.netname == 'Net3'") (rule "small_pad_hole_clearance") )
(condition (expression "A.type == 'Pad' && A.netname == 'Net2'") (rule "big_pad_hole_clearance") )

(rule "small_pad_hole_clearance" (type "hole_clearance") (priority 1) (severity error) (min "0.1mm") )
(rule "big_pad_hole_clearance" (type "hole_clearance") (priority 1) (severity error) (min "5mm" ) )
(rule "default" (type "hole_clearance") (priority 0) (severity error) (min "0.5mm") )