# shielded/transparent source($drc_test_source, "TOP") target($drc_test_target) a = input(1, 0) b = input(2, 0) a.output(1, 0) b.output(2, 0) a.covering(b).output(100, 0) a.covering(b, 1..1).output(101, 0) a.covering(b, 2..2).output(102, 0) a.covering(b, 3..3).output(103, 0) b.inside(a).output(110, 0) deep a = input(1, 0) b = input(2, 0) a.covering(b).output(200, 0) a.covering(b, 1..1).output(201, 0) a.covering(b, 2..2).output(202, 0) a.covering(b, 3..3).output(203, 0) b.inside(a).output(210, 0)