BB 22 13 31 23
	pin alum (30,18) out 
	pin poly (25,13) a 
	pin poly (25,23) a 
	pin poly (27,13) b 
	pin poly (27,23) b 
	pin alum (30,23) vdd 
	pin alum (30,13) vss 
D0:	dev n (25,16) or=east 
D1:	dev n (27,16) or=east 
D2:	dev p (25,20) w=2 or=east 
D3:	dev p (27,20) w=2 or=east 
	wire alum w=2 (22,23) (31,23) 
	wire alum w=2 (22,13) (31,13) 
	wire Ndiff (24,13) (24,16) 
	wire poly (25,23) (25,13) 
	wire poly (27,23) (27,13) 
	wire Pdiff (24,23) (24,20) 
	wire Pdiff (28,23) (28,20) 
	wire alum (26,20) (28,20) (28,16) (28,18) (31,18) 
	contact md (24,13) 
	contact md (28,16) 
	contact md (28,16) 
	contact md (28,16) 
	contact md (28,16) 
	contact md (28,16) 
	contact vss (28,13) 
	contact vdd (26,23) 
	contact vdd (26,23) 
	contact md (26,20) 
	contact md (24,23) 
	contact md (28,23)