innovus add_ndr rule
add_ndr -name ndr_2w3s -spacing_multiplier {M4:M9 3} -width_multiplier {M4:M9 2}
exportNdr ndr_2w3s -lef ndr_2w3s.lef
add_ndr -name ndr_2w3s -spacing_multiplier {M4:M9 3} -width_multiplier {M4:M9 2}
exportNdr ndr_2w3s -lef ndr_2w3s.lef