diff --git a/testdata/algo/lvs_test1b_au.lvsdb.2 b/testdata/algo/lvs_test1b_au.lvsdb.2
new file mode 100644
index 000000000..a8c999396
--- /dev/null
+++ b/testdata/algo/lvs_test1b_au.lvsdb.2
@@ -0,0 +1,646 @@
+#%lvsdb-klayout
+
+# Layout
+layout(
+ top(RINGO)
+ unit(0.001)
+
+ # Layer section
+ # This section lists the mask layers (drawing or derived) and their connections.
+
+ # Mask layers
+ layer(bulk '1/0')
+ layer(nwell '1/0')
+ layer(poly '3/0')
+ layer(poly_lbl '3/1')
+ layer(diff_cont '4/0')
+ layer(poly_cont '5/0')
+ layer(metal1 '6/0')
+ layer(metal1_lbl '6/1')
+ layer(via1 '7/0')
+ layer(metal2 '8/0')
+ layer(metal2_lbl '8/1')
+ layer(ntie)
+ layer(psd)
+ layer(ptie)
+ layer(nsd)
+
+ # Mask layer connectivity
+ connect(nwell nwell ntie)
+ connect(poly poly poly_lbl poly_cont)
+ connect(poly_lbl poly)
+ connect(diff_cont diff_cont metal1 ntie psd ptie nsd)
+ connect(poly_cont poly poly_cont metal1)
+ connect(metal1 diff_cont poly_cont metal1 metal1_lbl via1)
+ connect(metal1_lbl metal1)
+ connect(via1 metal1 via1 metal2)
+ connect(metal2 via1 metal2 metal2_lbl)
+ connect(metal2_lbl metal2)
+ connect(ntie nwell diff_cont ntie)
+ connect(psd diff_cont psd)
+ connect(ptie diff_cont ptie)
+ connect(nsd diff_cont nsd)
+
+ # Global nets and connectivity
+ global(bulk BULK)
+ global(ptie BULK)
+
+ # Device class section
+ class(PMOS MOS4)
+ class(NMOS MOS4)
+
+ # Device abstracts section
+ # Device abstracts list the pin shapes of the devices.
+ device(D$PMOS PMOS
+  terminal(S
+   rect(psd (-650 -875) (525 1750))
+  )
+  terminal(G
+   rect(poly (-125 -875) (250 1750))
+  )
+  terminal(D
+   rect(psd (125 -875) (550 1750))
+  )
+  terminal(B
+   rect(nwell (-125 -875) (250 1750))
+  )
+ )
+ device(D$PMOS$1 PMOS
+  terminal(S
+   rect(psd (-675 -875) (550 1750))
+  )
+  terminal(G
+   rect(poly (-125 -875) (250 1750))
+  )
+  terminal(D
+   rect(psd (125 -875) (525 1750))
+  )
+  terminal(B
+   rect(nwell (-125 -875) (250 1750))
+  )
+ )
+ device(D$NMOS NMOS
+  terminal(S
+   rect(nsd (-650 -875) (525 1750))
+  )
+  terminal(G
+   rect(poly (-125 -875) (250 1750))
+  )
+  terminal(D
+   rect(nsd (125 -875) (550 1750))
+  )
+  terminal(B
+   rect(bulk (-125 -875) (250 1750))
+  )
+ )
+ device(D$NMOS$1 NMOS
+  terminal(S
+   rect(nsd (-675 -875) (550 1750))
+  )
+  terminal(G
+   rect(poly (-125 -875) (250 1750))
+  )
+  terminal(D
+   rect(nsd (125 -875) (525 1750))
+  )
+  terminal(B
+   rect(bulk (-125 -875) (250 1750))
+  )
+ )
+
+ # Circuit section
+ # Circuits are the hierarchical building blocks of the netlist.
+ circuit(INV2
+
+  # Circuit boundary
+  rect((-1700 -2440) (3100 7820))
+
+  # Nets with their geometries
+  net(1
+   rect(nwell (-1400 1800) (2800 3580))
+   rect(diff_cont (-1510 -650) (220 220))
+   rect(ntie (-510 -450) (800 680))
+  )
+  net(2 name(IN)
+   rect(poly (-525 -250) (250 2500))
+   rect(poly (-1425 -630) (2100 360))
+   rect(poly (-125 -2230) (250 2500))
+   rect(poly (-1050 -3850) (250 2400))
+   rect(poly (550 1200) (250 2400))
+   rect(poly (-250 -6000) (250 2400))
+   rect(poly (-1050 1200) (250 2400))
+   rect(poly_lbl (-526 -2601) (2 2))
+   rect(poly_cont (-831 -111) (220 220))
+  )
+  net(3 name(OUT)
+   rect(diff_cont (-910 90) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (1380 3380) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 -3820) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-1820 3380) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(metal1 (1310 -3710) (360 2220))
+   rect(metal1 (-1900 -800) (2220 360))
+   rect(metal1 (-2280 -2400) (360 2840))
+   rect(metal1 (-360 -3600) (360 1560))
+   rect(metal1 (1240 2040) (360 1560))
+   rect(metal1 (-360 -5160) (360 1560))
+   rect(metal1 (-1960 2040) (360 1560))
+   rect(metal1_lbl (1419 -2181) (2 2))
+   rect(psd (-1851 524) (525 1750))
+   rect(psd (1050 -1750) (525 1750))
+   rect(nsd (-2100 -5350) (525 1750))
+   rect(nsd (1050 -1750) (525 1750))
+  )
+  net(4 name(VSS)
+   rect(diff_cont (-110 90) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 980) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(metal1 (-290 -290) (360 1560))
+   rect(metal1 (-360 -1560) (360 1560))
+   rect(via1 (-305 -705) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(via1 (-250 -1450) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(metal2 (-1525 -775) (2800 1700))
+   rect(metal2_lbl (-161 -541) (2 2))
+   rect(nsd (-1516 -1186) (550 1750))
+  )
+  net(5 name(VDD)
+   rect(diff_cont (-110 2490) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 -1420) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(metal1 (-290 -1490) (360 1560))
+   rect(metal1 (-360 -1560) (360 1560))
+   rect(via1 (-305 -1505) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(metal2 (-1525 -1575) (2800 1700))
+   rect(metal2_lbl (-151 -1251) (2 2))
+   rect(psd (-1526 -476) (550 1750))
+  )
+  net(6 name(BULK)
+   rect(diff_cont (-110 -2160) (220 220))
+   rect(ptie (-510 -450) (800 680))
+  )
+
+  # Outgoing pins and their connections to nets
+  pin(1)
+  pin(2 name(IN))
+  pin(3 name(OUT))
+  pin(4 name(VSS))
+  pin(5 name(VDD))
+  pin(6 name(BULK))
+
+  # Devices and their connections
+  device(1 D$PMOS
+   device(D$PMOS$1 location(800 0))
+   connect(0 S S)
+   connect(1 S D)
+   connect(0 G G)
+   connect(1 G G)
+   connect(0 D D)
+   connect(1 D S)
+   connect(0 B B)
+   connect(1 B B)
+   location(-400 3200)
+   param(L 0.25)
+   param(W 3.5)
+   param(AS 1.4)
+   param(AD 1.4)
+   param(PS 6.85)
+   param(PD 6.85)
+   terminal(S 3)
+   terminal(G 2)
+   terminal(D 5)
+   terminal(B 1)
+  )
+  device(2 D$NMOS
+   device(D$NMOS$1 location(800 0))
+   connect(0 S S)
+   connect(1 S D)
+   connect(0 G G)
+   connect(1 G G)
+   connect(0 D D)
+   connect(1 D S)
+   connect(0 B B)
+   connect(1 B B)
+   location(-400 -400)
+   param(L 0.25)
+   param(W 3.5)
+   param(AS 1.4)
+   param(AD 1.4)
+   param(PS 6.85)
+   param(PD 6.85)
+   terminal(S 3)
+   terminal(G 2)
+   terminal(D 4)
+   terminal(B 6)
+  )
+
+ )
+ circuit(INV2PAIR
+
+  # Circuit boundary
+  rect((0 -1640) (5740 7820))
+
+  # Nets with their geometries
+  net(1 name(BULK))
+  net(2)
+  net(3)
+  net(4)
+  net(5)
+  net(6)
+  net(7)
+
+  # Outgoing pins and their connections to nets
+  pin(1 name(BULK))
+  pin(2)
+  pin(3)
+  pin(4)
+  pin(5)
+  pin(6)
+  pin(7)
+
+  # Subcircuits and their connections
+  circuit(1 INV2 location(1700 800)
+   pin(0 7)
+   pin(1 5)
+   pin(2 4)
+   pin(3 3)
+   pin(4 2)
+   pin(5 1)
+  )
+  circuit(2 INV2 location(4340 800)
+   pin(0 7)
+   pin(1 4)
+   pin(2 6)
+   pin(3 3)
+   pin(4 2)
+   pin(5 1)
+  )
+
+ )
+ circuit(RINGO
+
+  # Circuit boundary
+  rect((-1720 -2440) (26880 7820))
+
+  # Nets with their geometries
+  net(1 name(FB)
+   rect(metal1 (-1700 1620) (360 360))
+   rect(via1 (-305 -305) (250 250))
+   rect(via1 (23190 -250) (250 250))
+   rect(metal2 (-23765 -325) (23840 400))
+   rect(metal2_lbl (-22121 -201) (2 2))
+  )
+  net(2 name(OSC)
+   rect(via1 (24435 1675) (250 250))
+   rect(metal2 (-325 -325) (400 400))
+   rect(metal2_lbl (-201 -201) (2 2))
+  )
+  net(3 name(VDD)
+   rect(metal1 (-180 3900) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal2_lbl (-23941 -2221) (2 2))
+  )
+  net(4 name(VSS)
+   rect(metal1 (-180 -2220) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal2_lbl (-23941 1099) (2 2))
+  )
+  net(5)
+  net(6)
+  net(7)
+  net(8)
+  net(9)
+  net(10)
+  net(11)
+  net(12)
+
+  # Outgoing pins and their connections to nets
+  pin(1 name(FB))
+  pin(2 name(OSC))
+  pin(3 name(VDD))
+  pin(4 name(VSS))
+
+  # Subcircuits and their connections
+  circuit(1 INV2PAIR location(19420 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 1)
+   pin(4 10)
+   pin(5 2)
+   pin(6 3)
+  )
+  circuit(2 INV2PAIR location(-1700 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 8)
+   pin(4 1)
+   pin(5 9)
+   pin(6 3)
+  )
+  circuit(3 INV2PAIR location(3580 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 7)
+   pin(4 9)
+   pin(5 12)
+   pin(6 3)
+  )
+  circuit(4 INV2PAIR location(8860 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 6)
+   pin(4 12)
+   pin(5 11)
+   pin(6 3)
+  )
+  circuit(5 INV2PAIR location(14140 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 5)
+   pin(4 11)
+   pin(5 10)
+   pin(6 3)
+  )
+
+ )
+)
+
+# Reference netlist
+reference(
+
+ # Device class section
+ class(PMOS MOS4)
+ class(NMOS MOS4)
+
+ # Circuit section
+ # Circuits are the hierarchical building blocks of the netlist.
+ circuit(INV2
+
+  # Nets
+  net(1 name('1'))
+  net(2 name('2'))
+  net(3 name('3'))
+  net(4 name('4'))
+  net(5 name('5'))
+  net(6 name('6'))
+
+  # Outgoing pins and their connections to nets
+  pin(1 name('1'))
+  pin(2 name('2'))
+  pin(3 name('3'))
+  pin(4 name('4'))
+  pin(5 name('5'))
+  pin(6 name('6'))
+
+  # Devices and their connections
+  device(1 PMOS
+   name($1)
+   param(L 0.25)
+   param(W 3.5)
+   param(AS 1.4)
+   param(AD 1.4)
+   param(PS 6.85)
+   param(PD 6.85)
+   terminal(S 3)
+   terminal(G 2)
+   terminal(D 5)
+   terminal(B 1)
+  )
+  device(2 NMOS
+   name($3)
+   param(L 0.25)
+   param(W 3.5)
+   param(AS 1.4)
+   param(AD 1.4)
+   param(PS 6.85)
+   param(PD 6.85)
+   terminal(S 3)
+   terminal(G 2)
+   terminal(D 4)
+   terminal(B 6)
+  )
+
+ )
+ circuit(INV2PAIR
+
+  # Nets
+  net(1 name('1'))
+  net(2 name('2'))
+  net(3 name('3'))
+  net(4 name('4'))
+  net(5 name('5'))
+  net(6 name('6'))
+  net(7 name('7'))
+
+  # Outgoing pins and their connections to nets
+  pin(1 name('1'))
+  pin(2 name('2'))
+  pin(3 name('3'))
+  pin(4 name('4'))
+  pin(5 name('5'))
+  pin(6 name('6'))
+  pin(7 name('7'))
+
+  # Subcircuits and their connections
+  circuit(1 INV2 name($1)
+   pin(0 7)
+   pin(1 5)
+   pin(2 4)
+   pin(3 3)
+   pin(4 2)
+   pin(5 1)
+  )
+  circuit(2 INV2 name($2)
+   pin(0 7)
+   pin(1 4)
+   pin(2 6)
+   pin(3 3)
+   pin(4 2)
+   pin(5 1)
+  )
+
+ )
+ circuit(RINGO
+
+  # Nets
+  net(1 name('1'))
+  net(2 name('2'))
+  net(3 name('3'))
+  net(4 name('4'))
+  net(5 name('6'))
+  net(6 name('100'))
+  net(7 name('5'))
+  net(8 name('101'))
+  net(9 name('8'))
+  net(10 name('102'))
+  net(11 name('7'))
+  net(12 name('103'))
+
+  # Outgoing pins and their connections to nets
+  pin(1 name('1'))
+  pin(2 name('2'))
+  pin(3 name('3'))
+  pin(4 name('4'))
+
+  # Subcircuits and their connections
+  circuit(1 INV2PAIR name($1)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 1)
+   pin(4 5)
+   pin(5 2)
+   pin(6 3)
+  )
+  circuit(2 INV2PAIR name($2)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 6)
+   pin(4 1)
+   pin(5 7)
+   pin(6 3)
+  )
+  circuit(3 INV2PAIR name($3)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 8)
+   pin(4 7)
+   pin(5 9)
+   pin(6 3)
+  )
+  circuit(4 INV2PAIR name($4)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 10)
+   pin(4 9)
+   pin(5 11)
+   pin(6 3)
+  )
+  circuit(5 INV2PAIR name($5)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 12)
+   pin(4 11)
+   pin(5 5)
+   pin(6 3)
+  )
+
+ )
+)
+
+# Cross reference
+xref(
+ circuit(INV2 INV2 match
+  xref(
+   net(1 1 match)
+   net(6 6 match)
+   net(2 2 match)
+   net(3 3 match)
+   net(5 5 match)
+   net(4 4 match)
+   pin(0 0 match)
+   pin(5 5 match)
+   pin(1 1 match)
+   pin(2 2 match)
+   pin(4 4 match)
+   pin(3 3 match)
+   device(2 2 match)
+   device(1 1 match)
+  )
+ )
+ circuit(INV2PAIR INV2PAIR match
+  xref(
+   net(2 2 match)
+   net(3 3 match)
+   net(4 4 match)
+   net(5 5 match)
+   net(6 6 match)
+   net(7 7 match)
+   net(1 1 match)
+   pin(1 1 match)
+   pin(2 2 match)
+   pin(3 3 match)
+   pin(4 4 match)
+   pin(5 5 match)
+   pin(6 6 match)
+   pin(0 0 match)
+   circuit(1 1 match)
+   circuit(2 2 match)
+  )
+ )
+ circuit(RINGO RINGO match
+  xref(
+   net(8 6 match)
+   net(7 8 match)
+   net(6 10 match)
+   net(5 12 match)
+   net(9 7 match)
+   net(10 5 match)
+   net(11 11 match)
+   net(12 9 match)
+   net(1 1 match)
+   net(2 2 match)
+   net(3 3 match)
+   net(4 4 match)
+   pin(0 0 match)
+   pin(1 1 match)
+   pin(2 2 match)
+   pin(3 3 match)
+   circuit(1 1 match)
+   circuit(2 2 match)
+   circuit(3 3 match)
+   circuit(4 4 match)
+   circuit(5 5 match)
+  )
+ )
+)
diff --git a/testdata/algo/lvs_test2b_au.lvsdb.2 b/testdata/algo/lvs_test2b_au.lvsdb.2
new file mode 100644
index 000000000..59b791eab
--- /dev/null
+++ b/testdata/algo/lvs_test2b_au.lvsdb.2
@@ -0,0 +1,682 @@
+#%lvsdb-klayout
+
+# Layout
+layout(
+ top(RINGO)
+ unit(0.001)
+
+ # Layer section
+ # This section lists the mask layers (drawing or derived) and their connections.
+
+ # Mask layers
+ layer(bulk '1/0')
+ layer(nwell '1/0')
+ layer(poly '3/0')
+ layer(poly_lbl '3/1')
+ layer(diff_cont '4/0')
+ layer(poly_cont '5/0')
+ layer(metal1 '6/0')
+ layer(metal1_lbl '6/1')
+ layer(via1 '7/0')
+ layer(metal2 '8/0')
+ layer(metal2_lbl '8/1')
+ layer(ntie)
+ layer(psd)
+ layer(ptie)
+ layer(nsd)
+
+ # Mask layer connectivity
+ connect(nwell nwell ntie)
+ connect(poly poly poly_lbl poly_cont)
+ connect(poly_lbl poly)
+ connect(diff_cont diff_cont metal1 ntie psd ptie nsd)
+ connect(poly_cont poly poly_cont metal1)
+ connect(metal1 diff_cont poly_cont metal1 metal1_lbl via1)
+ connect(metal1_lbl metal1)
+ connect(via1 metal1 via1 metal2)
+ connect(metal2 via1 metal2 metal2_lbl)
+ connect(metal2_lbl metal2)
+ connect(ntie nwell diff_cont ntie)
+ connect(psd diff_cont psd)
+ connect(ptie diff_cont ptie)
+ connect(nsd diff_cont nsd)
+
+ # Global nets and connectivity
+ global(bulk BULK)
+ global(ptie BULK)
+
+ # Device class section
+ class(PMOS MOS4)
+ class(NMOS MOS4)
+
+ # Device abstracts section
+ # Device abstracts list the pin shapes of the devices.
+ device(D$PMOS PMOS
+  terminal(S
+   rect(psd (-650 -875) (525 1750))
+  )
+  terminal(G
+   rect(poly (-125 -875) (250 1750))
+  )
+  terminal(D
+   rect(psd (125 -875) (550 1750))
+  )
+  terminal(B
+   rect(nwell (-125 -875) (250 1750))
+  )
+ )
+ device(D$PMOS$1 PMOS
+  terminal(S
+   rect(psd (-675 -875) (550 1750))
+  )
+  terminal(G
+   rect(poly (-125 -875) (250 1750))
+  )
+  terminal(D
+   rect(psd (125 -875) (525 1750))
+  )
+  terminal(B
+   rect(nwell (-125 -875) (250 1750))
+  )
+ )
+ device(D$NMOS NMOS
+  terminal(S
+   rect(nsd (-650 -875) (525 1750))
+  )
+  terminal(G
+   rect(poly (-125 -875) (250 1750))
+  )
+  terminal(D
+   rect(nsd (125 -875) (550 1750))
+  )
+  terminal(B
+   rect(bulk (-125 -875) (250 1750))
+  )
+ )
+ device(D$NMOS$1 NMOS
+  terminal(S
+   rect(nsd (-675 -875) (550 1750))
+  )
+  terminal(G
+   rect(poly (-125 -875) (250 1750))
+  )
+  terminal(D
+   rect(nsd (125 -875) (525 1750))
+  )
+  terminal(B
+   rect(bulk (-125 -875) (250 1750))
+  )
+ )
+
+ # Circuit section
+ # Circuits are the hierarchical building blocks of the netlist.
+ circuit(INV2
+
+  # Circuit boundary
+  rect((-1700 -2440) (3100 7820))
+
+  # Nets with their geometries
+  net(1
+   rect(nwell (-1400 1800) (2800 3580))
+   rect(diff_cont (-1510 -650) (220 220))
+   rect(ntie (-510 -450) (800 680))
+  )
+  net(2 name(IN)
+   rect(poly (-525 -250) (250 2500))
+   rect(poly (-1425 -630) (2100 360))
+   rect(poly (-125 -2230) (250 2500))
+   rect(poly (-1050 -3850) (250 2400))
+   rect(poly (550 1200) (250 2400))
+   rect(poly (-250 -6000) (250 2400))
+   rect(poly (-1050 1200) (250 2400))
+   rect(poly_lbl (-526 -2601) (2 2))
+   rect(poly_cont (-831 -111) (220 220))
+  )
+  net(3 name(OUT)
+   rect(diff_cont (-910 90) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (1380 3380) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 -3820) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-1820 3380) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(metal1 (1310 -3710) (360 2220))
+   rect(metal1 (-1900 -800) (2220 360))
+   rect(metal1 (-2280 -2400) (360 2840))
+   rect(metal1 (-360 -3600) (360 1560))
+   rect(metal1 (1240 2040) (360 1560))
+   rect(metal1 (-360 -5160) (360 1560))
+   rect(metal1 (-1960 2040) (360 1560))
+   rect(metal1_lbl (1419 -2181) (2 2))
+   rect(psd (-1851 524) (525 1750))
+   rect(psd (1050 -1750) (525 1750))
+   rect(nsd (-2100 -5350) (525 1750))
+   rect(nsd (1050 -1750) (525 1750))
+  )
+  net(4 name(VSS)
+   rect(diff_cont (-110 90) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 980) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(diff_cont (-220 -620) (220 220))
+   rect(metal1 (-290 -290) (360 1560))
+   rect(metal1 (-360 -1560) (360 1560))
+   rect(via1 (-305 -705) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(via1 (-250 -1450) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(metal2 (-1525 -775) (2800 1700))
+   rect(metal2_lbl (-161 -541) (2 2))
+   rect(nsd (-1516 -1186) (550 1750))
+  )
+  net(5 name(VDD)
+   rect(diff_cont (-110 2490) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 -1420) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(diff_cont (-220 180) (220 220))
+   rect(metal1 (-290 -1490) (360 1560))
+   rect(metal1 (-360 -1560) (360 1560))
+   rect(via1 (-305 -1505) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(via1 (-250 150) (250 250))
+   rect(metal2 (-1525 -1575) (2800 1700))
+   rect(metal2_lbl (-151 -1251) (2 2))
+   rect(psd (-1526 -476) (550 1750))
+  )
+  net(6 name(BULK)
+   rect(diff_cont (-110 -2160) (220 220))
+   rect(ptie (-510 -450) (800 680))
+  )
+
+  # Outgoing pins and their connections to nets
+  pin(1)
+  pin(2 name(IN))
+  pin(3 name(OUT))
+  pin(4 name(VSS))
+  pin(5 name(VDD))
+  pin(6 name(BULK))
+
+  # Devices and their connections
+  device(1 D$PMOS
+   device(D$PMOS$1 location(800 0))
+   connect(0 S S)
+   connect(1 S D)
+   connect(0 G G)
+   connect(1 G G)
+   connect(0 D D)
+   connect(1 D S)
+   connect(0 B B)
+   connect(1 B B)
+   location(-400 3200)
+   param(L 0.25)
+   param(W 3.5)
+   param(AS 1.4)
+   param(AD 1.4)
+   param(PS 6.85)
+   param(PD 6.85)
+   terminal(S 3)
+   terminal(G 2)
+   terminal(D 5)
+   terminal(B 1)
+  )
+  device(2 D$NMOS
+   device(D$NMOS$1 location(800 0))
+   connect(0 S S)
+   connect(1 S D)
+   connect(0 G G)
+   connect(1 G G)
+   connect(0 D D)
+   connect(1 D S)
+   connect(0 B B)
+   connect(1 B B)
+   location(-400 -400)
+   param(L 0.25)
+   param(W 3.5)
+   param(AS 1.4)
+   param(AD 1.4)
+   param(PS 6.85)
+   param(PD 6.85)
+   terminal(S 3)
+   terminal(G 2)
+   terminal(D 4)
+   terminal(B 6)
+  )
+
+ )
+ circuit(INV2PAIR
+
+  # Circuit boundary
+  rect((0 -1640) (5740 7820))
+
+  # Nets with their geometries
+  net(1 name(BULK))
+  net(2)
+  net(3)
+  net(4)
+  net(5)
+  net(6)
+  net(7)
+
+  # Outgoing pins and their connections to nets
+  pin(1 name(BULK))
+  pin(2)
+  pin(3)
+  pin(4)
+  pin(5)
+  pin(6)
+  pin(7)
+
+  # Subcircuits and their connections
+  circuit(1 INV2 location(1700 800)
+   pin(0 7)
+   pin(1 5)
+   pin(2 4)
+   pin(3 3)
+   pin(4 2)
+   pin(5 1)
+  )
+  circuit(2 INV2 location(4340 800)
+   pin(0 7)
+   pin(1 4)
+   pin(2 6)
+   pin(3 3)
+   pin(4 2)
+   pin(5 1)
+  )
+
+ )
+ circuit(RINGO
+
+  # Circuit boundary
+  rect((-1720 -2440) (26880 7820))
+
+  # Nets with their geometries
+  net(1 name(FB)
+   rect(metal1 (-1700 1620) (360 360))
+   rect(via1 (-305 -305) (250 250))
+   rect(via1 (23190 -250) (250 250))
+   rect(metal2 (-23765 -325) (23840 400))
+   rect(metal2_lbl (-22121 -201) (2 2))
+  )
+  net(2 name(OSC)
+   rect(via1 (24435 1675) (250 250))
+   rect(metal2 (-325 -325) (400 400))
+   rect(metal2_lbl (-201 -201) (2 2))
+  )
+  net(3 name(VDD)
+   rect(metal1 (-180 3900) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal2_lbl (-23941 -2221) (2 2))
+  )
+  net(4 name(VSS)
+   rect(metal1 (-180 -2220) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal1 (2280 -1120) (360 1120))
+   rect(metal2_lbl (-23941 1099) (2 2))
+  )
+  net(5)
+  net(6)
+  net(7)
+  net(8)
+  net(9)
+  net(10)
+  net(11)
+  net(12)
+
+  # Outgoing pins and their connections to nets
+  pin(1 name(FB))
+  pin(2 name(OSC))
+  pin(3 name(VDD))
+  pin(4 name(VSS))
+
+  # Subcircuits and their connections
+  circuit(1 INV2PAIR location(19420 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 1)
+   pin(4 10)
+   pin(5 2)
+   pin(6 3)
+  )
+  circuit(2 INV2PAIR location(-1700 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 8)
+   pin(4 1)
+   pin(5 9)
+   pin(6 3)
+  )
+  circuit(3 INV2PAIR location(3580 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 7)
+   pin(4 9)
+   pin(5 12)
+   pin(6 3)
+  )
+  circuit(4 INV2PAIR location(8860 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 6)
+   pin(4 12)
+   pin(5 11)
+   pin(6 3)
+  )
+  circuit(5 INV2PAIR location(14140 -800)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 5)
+   pin(4 11)
+   pin(5 10)
+   pin(6 3)
+  )
+
+ )
+)
+
+# Reference netlist
+reference(
+
+ # Device class section
+ class(PMOS MOS4)
+ class(NMOS MOS4)
+
+ # Circuit section
+ # Circuits are the hierarchical building blocks of the netlist.
+ circuit(INV2
+
+  # Nets
+  net(1 name('1'))
+  net(2 name('2'))
+  net(3 name('3'))
+  net(4 name('4'))
+  net(5 name('5'))
+  net(6 name('6'))
+
+  # Outgoing pins and their connections to nets
+  pin(1 name('1'))
+  pin(2 name('2'))
+  pin(3 name('3'))
+  pin(4 name('4'))
+  pin(5 name('5'))
+  pin(6 name('6'))
+
+  # Devices and their connections
+  device(1 PMOS
+   name($1)
+   param(L 0.25)
+   param(W 3.5)
+   param(AS 1.4)
+   param(AD 1.4)
+   param(PS 6.85)
+   param(PD 6.85)
+   terminal(S 3)
+   terminal(G 2)
+   terminal(D 5)
+   terminal(B 1)
+  )
+  device(2 NMOS
+   name($3)
+   param(L 0.25)
+   param(W 3.5)
+   param(AS 1.4)
+   param(AD 1.4)
+   param(PS 6.85)
+   param(PD 6.85)
+   terminal(S 3)
+   terminal(G 2)
+   terminal(D 4)
+   terminal(B 6)
+  )
+
+ )
+ circuit(INV2PAIR
+
+  # Nets
+  net(1 name('1'))
+  net(2 name('2'))
+  net(3 name('3'))
+  net(4 name('4'))
+  net(5 name('5'))
+  net(6 name('6'))
+  net(7 name('7'))
+
+  # Outgoing pins and their connections to nets
+  pin(1 name('1'))
+  pin(2 name('2'))
+  pin(3 name('3'))
+  pin(4 name('4'))
+  pin(5 name('5'))
+  pin(6 name('6'))
+  pin(7 name('7'))
+
+  # Subcircuits and their connections
+  circuit(1 INV2 name($2)
+   pin(0 7)
+   pin(1 4)
+   pin(2 6)
+   pin(3 3)
+   pin(4 2)
+   pin(5 1)
+  )
+
+ )
+ circuit(RINGO
+
+  # Nets
+  net(1 name('1'))
+  net(2 name('2'))
+  net(3 name('3'))
+  net(4 name('4'))
+  net(5 name('6'))
+  net(6 name('5'))
+  net(7 name('101'))
+  net(8 name('8'))
+  net(9 name('102'))
+  net(10 name('7'))
+  net(11 name('103'))
+
+  # Outgoing pins and their connections to nets
+  pin(1 name('1'))
+  pin(2 name('2'))
+  pin(3 name('3'))
+  pin(4 name('4'))
+
+  # Subcircuits and their connections
+  circuit(1 INV2PAIR name($1)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 1)
+   pin(4 5)
+   pin(5 2)
+   pin(6 3)
+  )
+  circuit(2 INV2PAIR name($2)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 1)
+   pin(4 1)
+   pin(5 6)
+   pin(6 3)
+  )
+  circuit(3 INV2PAIR name($3)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 7)
+   pin(4 6)
+   pin(5 8)
+   pin(6 3)
+  )
+  circuit(4 INV2PAIR name($4)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 9)
+   pin(4 8)
+   pin(5 10)
+   pin(6 3)
+  )
+  circuit(5 INV2PAIR name($5)
+   pin(0 4)
+   pin(1 3)
+   pin(2 4)
+   pin(3 11)
+   pin(4 10)
+   pin(5 5)
+   pin(6 3)
+  )
+
+ )
+ circuit(INV2PAIRX
+
+  # Nets
+  net(1 name('1'))
+  net(2 name('2'))
+  net(3 name('3'))
+  net(4 name('4'))
+  net(5 name('5'))
+  net(6 name('6'))
+  net(7 name('7'))
+
+  # Outgoing pins and their connections to nets
+  pin(1 name('1'))
+  pin(2 name('2'))
+  pin(3 name('3'))
+  pin(4 name('4'))
+  pin(5 name('5'))
+  pin(6 name('6'))
+  pin(7 name('7'))
+
+  # Subcircuits and their connections
+  circuit(1 INV2 name($2)
+   pin(0 7)
+   pin(1 4)
+   pin(2 6)
+   pin(3 3)
+   pin(4 2)
+   pin(5 1)
+  )
+
+ )
+)
+
+# Cross reference
+xref(
+ circuit(() INV2PAIRX mismatch
+  xref(
+  )
+ )
+ circuit(INV2 INV2 match
+  xref(
+   net(1 1 match)
+   net(6 6 match)
+   net(2 2 match)
+   net(3 3 match)
+   net(5 5 match)
+   net(4 4 match)
+   pin(0 0 match)
+   pin(5 5 match)
+   pin(1 1 match)
+   pin(2 2 match)
+   pin(4 4 match)
+   pin(3 3 match)
+   device(2 2 match)
+   device(1 1 match)
+  )
+ )
+ circuit(INV2PAIR INV2PAIR nomatch
+  xref(
+   net(2 2 mismatch)
+   net(3 3 mismatch)
+   net(5 4 match)
+   net(4 5 mismatch)
+   net(6 6 match)
+   net(7 7 mismatch)
+   net(1 1 mismatch)
+   pin(1 1 match)
+   pin(2 2 match)
+   pin(4 3 match)
+   pin(3 4 match)
+   pin(5 5 match)
+   pin(6 6 match)
+   pin(0 0 match)
+   circuit(2 () mismatch)
+   circuit(1 1 mismatch)
+  )
+ )
+ circuit(RINGO RINGO nomatch
+  xref(
+   net(() 7 mismatch)
+   net(() 9 mismatch)
+   net(() 11 mismatch)
+   net(() 6 mismatch)
+   net(() 8 mismatch)
+   net(5 () mismatch)
+   net(6 () mismatch)
+   net(7 () mismatch)
+   net(9 () mismatch)
+   net(11 () mismatch)
+   net(12 () mismatch)
+   net(10 1 mismatch)
+   net(8 10 mismatch)
+   net(1 5 mismatch)
+   net(2 2 match)
+   net(3 3 match)
+   net(4 4 match)
+   pin(() 0 match)
+   pin(0 () match)
+   pin(1 1 match)
+   pin(2 2 match)
+   pin(3 3 match)
+   circuit(() 2 mismatch)
+   circuit(() 3 mismatch)
+   circuit(() 4 mismatch)
+   circuit(() 5 mismatch)
+   circuit(2 () mismatch)
+   circuit(3 () mismatch)
+   circuit(4 () mismatch)
+   circuit(5 () mismatch)
+   circuit(1 1 match)
+  )
+ )
+)
diff --git a/testdata/lvs/ringo_simple_io2.l2n.2 b/testdata/lvs/ringo_simple_io2.l2n.2
new file mode 100644
index 000000000..88dcfadc0
--- /dev/null
+++ b/testdata/lvs/ringo_simple_io2.l2n.2
@@ -0,0 +1,517 @@
+#%l2n-klayout
+W(RINGO)
+U(0.001)
+L(l3 '1/0')
+L(l4 '5/0')
+L(l8 '8/0')
+L(l11 '9/0')
+L(l12 '10/0')
+L(l13 '11/0')
+L(l7)
+L(l2)
+L(l9)
+L(l6)
+L(l10)
+C(l3 l3 l9)
+C(l4 l4 l8)
+C(l8 l4 l8 l11 l2 l9 l6 l10)
+C(l11 l8 l11 l12)
+C(l12 l11 l12 l13)
+C(l13 l12 l13)
+C(l7 l7)
+C(l2 l8 l2)
+C(l9 l3 l8 l9)
+C(l6 l8 l6)
+C(l10 l8 l10)
+G(l7 SUBSTRATE)
+G(l10 SUBSTRATE)
+D(D$PMOS PMOS
+ T(S
+  R(l2 (-550 -750) (425 1500))
+ )
+ T(G
+  R(l4 (-125 -750) (250 1500))
+ )
+ T(D
+  R(l2 (125 -750) (450 1500))
+ )
+ T(B
+  R(l3 (-125 -750) (250 1500))
+ )
+)
+D(D$PMOS$1 PMOS
+ T(S
+  R(l2 (-575 -750) (450 1500))
+ )
+ T(G
+  R(l4 (-125 -750) (250 1500))
+ )
+ T(D
+  R(l2 (125 -750) (425 1500))
+ )
+ T(B
+  R(l3 (-125 -750) (250 1500))
+ )
+)
+D(D$PMOS$2 PMOS
+ T(S
+  R(l2 (-550 -750) (425 1500))
+ )
+ T(G
+  R(l4 (-125 -750) (250 1500))
+ )
+ T(D
+  R(l2 (125 -750) (425 1500))
+ )
+ T(B
+  R(l3 (-125 -750) (250 1500))
+ )
+)
+D(D$NMOS NMOS
+ T(S
+  R(l6 (-550 -475) (425 950))
+ )
+ T(G
+  R(l4 (-125 -475) (250 950))
+ )
+ T(D
+  R(l6 (125 -475) (450 950))
+ )
+ T(B
+  R(l7 (-125 -475) (250 950))
+ )
+)
+D(D$NMOS$1 NMOS
+ T(S
+  R(l6 (-575 -475) (450 950))
+ )
+ T(G
+  R(l4 (-125 -475) (250 950))
+ )
+ T(D
+  R(l6 (125 -475) (425 950))
+ )
+ T(B
+  R(l7 (-125 -475) (250 950))
+ )
+)
+D(D$NMOS$2 NMOS
+ T(S
+  R(l6 (-550 -475) (425 950))
+ )
+ T(G
+  R(l4 (-125 -475) (250 950))
+ )
+ T(D
+  R(l6 (125 -475) (425 950))
+ )
+ T(B
+  R(l7 (-125 -475) (250 950))
+ )
+)
+X(ND2X1
+ R((-100 400) (2600 7600))
+ N(1 I(VDD)
+  R(l8 (1110 5160) (180 180))
+  R(l8 (-180 920) (180 180))
+  R(l8 (-180 -730) (180 180))
+  R(l11 (-240 -790) (300 1700))
+  R(l11 (-1350 0) (2400 800))
+  R(l11 (-1151 -401) (2 2))
+  R(l2 (-276 -2151) (425 1500))
+  R(l2 (-400 -1500) (425 1500))
+ )
+ N(2 I(OUT)
+  R(l8 (1810 1770) (180 180))
+  R(l8 (-180 370) (180 180))
+  R(l8 (-1580 3760) (180 180))
+  R(l8 (-180 -730) (180 180))
+  R(l8 (-180 -730) (180 180))
+  R(l8 (1220 920) (180 180))
+  R(l8 (-180 -1280) (180 180))
+  R(l8 (-180 370) (180 180))
+  Q(l11 (-240 -4180) (0 1390) (490 0) (0 -300) (-190 0) (0 -1090))
+  R(l11 (-110 1390) (300 1400))
+  Q(l11 (-1890 0) (0 600) (300 0) (0 -300) (1590 0) (0 -300))
+  R(l11 (-141 -501) (2 2))
+  R(l11 (-1751 1099) (300 1400))
+  R(l11 (1100 -1700) (300 300))
+  R(l11 (-300 0) (300 1400))
+  R(l2 (-375 -1450) (425 1500))
+  R(l2 (-1800 -1500) (425 1500))
+  R(l6 (950 -4890) (425 950))
+ )
+ N(3 I(VSS)
+  R(l8 (410 1770) (180 180))
+  R(l8 (-180 370) (180 180))
+  R(l11 (-240 -1300) (300 1360))
+  R(l11 (-650 -2160) (2400 800))
+  R(l11 (-1151 -401) (2 2))
+  R(l6 (-951 859) (425 950))
+ )
+ N(4
+  R(l3 (-100 4500) (2600 3500))
+ )
+ N(5 I(B)
+  R(l4 (1425 2860) (250 1940))
+  R(l4 (-345 -950) (300 300))
+  R(l4 (-205 650) (250 2000))
+  R(l4 (-250 -2000) (250 2000))
+  R(l4 (-250 -5390) (250 1450))
+  R(l8 (-285 1050) (180 180))
+  R(l11 (-71 -91) (2 2))
+  R(l11 (-171 -151) (300 300))
+ )
+ N(6 I(A)
+  R(l4 (725 2860) (250 1940))
+  R(l4 (-325 -1850) (300 300))
+  R(l4 (-225 1550) (250 2000))
+  R(l4 (-250 -2000) (250 2000))
+  R(l4 (-250 -5390) (250 1450))
+  R(l8 (-265 150) (180 180))
+  R(l11 (-91 -91) (2 2))
+  R(l11 (-151 -151) (300 300))
+ )
+ N(7 I(SUBSTRATE))
+ N(8
+  R(l6 (975 1660) (425 950))
+  R(l6 (-400 -950) (425 950))
+ )
+ P(1 I(VDD))
+ P(2 I(OUT))
+ P(3 I(VSS))
+ P(4)
+ P(5 I(B))
+ P(6 I(A))
+ P(7 I(SUBSTRATE))
+ D(1 D$PMOS
+  Y(850 5800)
+  E(L 0.25)
+  E(W 1.5)
+  E(AS 0.6375)
+  E(AD 0.3375)
+  E(PS 3.85)
+  E(PD 1.95)
+  T(S 2)
+  T(G 6)
+  T(D 1)
+  T(B 4)
+ )
+ D(2 D$PMOS$1
+  Y(1550 5800)
+  E(L 0.25)
+  E(W 1.5)
+  E(AS 0.3375)
+  E(AD 0.6375)
+  E(PS 1.95)
+  E(PD 3.85)
+  T(S 1)
+  T(G 5)
+  T(D 2)
+  T(B 4)
+ )
+ D(3 D$NMOS
+  Y(850 2135)
+  E(L 0.25)
+  E(W 0.95)
+  E(AS 0.40375)
+  E(AD 0.21375)
+  E(PS 2.75)
+  E(PD 1.4)
+  T(S 3)
+  T(G 6)
+  T(D 8)
+  T(B 7)
+ )
+ D(4 D$NMOS$1
+  Y(1550 2135)
+  E(L 0.25)
+  E(W 0.95)
+  E(AS 0.21375)
+  E(AD 0.40375)
+  E(PS 1.4)
+  E(PD 2.75)
+  T(S 8)
+  T(G 5)
+  T(D 2)
+  T(B 7)
+ )
+)
+X(INVX1
+ R((-100 400) (2000 7600))
+ N(1 I(VDD)
+  R(l8 (410 6260) (180 180))
+  R(l8 (-180 -730) (180 180))
+  R(l8 (-180 -730) (180 180))
+  R(l11 (-240 -240) (300 1400))
+  R(l11 (-650 300) (1800 800))
+  R(l11 (-1450 -1100) (300 300))
+  R(l11 (299 399) (2 2))
+  R(l2 (-651 -2151) (425 1500))
+ )
+ N(2 I(OUT)
+  R(l8 (1110 5160) (180 180))
+  R(l8 (-180 920) (180 180))
+  R(l8 (-180 -730) (180 180))
+  R(l8 (-180 -4120) (180 180))
+  R(l8 (-180 370) (180 180))
+  R(l11 (-240 -790) (300 4790))
+  R(l11 (-151 -2501) (2 2))
+  R(l2 (-226 1049) (425 1500))
+  R(l6 (-425 -4890) (425 950))
+ )
+ N(3 I(VSS)
+  R(l8 (410 1770) (180 180))
+  R(l8 (-180 370) (180 180))
+  R(l11 (-240 -1300) (300 1360))
+  R(l11 (-650 -2160) (1800 800))
+  R(l11 (-851 -401) (2 2))
+  R(l6 (-651 859) (425 950))
+ )
+ N(4
+  R(l3 (-100 4500) (2000 3500))
+ )
+ N(5 I(IN)
+  R(l4 (725 2860) (250 1940))
+  R(l4 (-525 -1850) (300 300))
+  R(l4 (-25 1550) (250 2000))
+  R(l4 (-250 -2000) (250 2000))
+  R(l4 (-250 -5390) (250 1450))
+  R(l8 (-465 150) (180 180))
+  R(l11 (-91 -91) (2 2))
+  R(l11 (-151 -151) (300 300))
+ )
+ N(6 I(SUBSTRATE))
+ P(1 I(VDD))
+ P(2 I(OUT))
+ P(3 I(VSS))
+ P(4)
+ P(5 I(IN))
+ P(6 I(SUBSTRATE))
+ D(1 D$PMOS$2
+  Y(850 5800)
+  E(L 0.25)
+  E(W 1.5)
+  E(AS 0.6375)
+  E(AD 0.6375)
+  E(PS 3.85)
+  E(PD 3.85)
+  T(S 1)
+  T(G 5)
+  T(D 2)
+  T(B 4)
+ )
+ D(2 D$NMOS$2
+  Y(850 2135)
+  E(L 0.25)
+  E(W 0.95)
+  E(AS 0.40375)
+  E(AD 0.40375)
+  E(PS 2.75)
+  E(PD 2.75)
+  T(S 3)
+  T(G 5)
+  T(D 2)
+  T(B 6)
+ )
+)
+X(RINGO
+ R((0 350) (25800 7650))
+ N(1
+  R(l11 (4040 2950) (610 300))
+ )
+ N(2
+  R(l11 (5550 2950) (900 300))
+ )
+ N(3
+  R(l11 (7350 2950) (900 300))
+ )
+ N(4
+  R(l11 (9150 2950) (900 300))
+ )
+ N(5
+  R(l11 (10950 2950) (900 300))
+ )
+ N(6
+  R(l11 (12750 2950) (900 300))
+ )
+ N(7
+  R(l11 (14550 2950) (900 300))
+ )
+ N(8
+  R(l11 (16350 2950) (900 300))
+ )
+ N(9
+  R(l11 (18150 2950) (900 300))
+ )
+ N(10
+  R(l11 (19950 2950) (900 300))
+ )
+ N(11 I(FB)
+  R(l11 (21750 2950) (900 300))
+  R(l11 (-19530 590) (320 320))
+  R(l11 (17820 -320) (320 320))
+  R(l12 (-18400 -260) (200 200))
+  R(l12 (17940 -200) (200 200))
+  R(l13 (-18040 -300) (17740 400))
+  R(l13 (-17921 -201) (2 2))
+  R(l13 (-221 -201) (400 400))
+  R(l13 (17740 -400) (400 400))
+ )
+ N(12 I(VDD)
+  R(l3 (500 4500) (1400 3500))
+  R(l3 (-1900 -3500) (600 3500))
+  R(l3 (23300 -3500) (1400 3500))
+  R(l3 (-100 -3500) (600 3500))
+  R(l8 (-24690 -1240) (180 180))
+  R(l8 (-180 370) (180 180))
+  R(l8 (-180 -1280) (180 180))
+  R(l8 (23220 370) (180 180))
+  R(l8 (-180 370) (180 180))
+  R(l8 (-180 -1280) (180 180))
+  R(l11 (-21741 859) (2 2))
+  R(l11 (-2351 -451) (1200 800))
+  R(l11 (-750 -1450) (300 1400))
+  R(l11 (-101 -351) (2 2))
+  R(l11 (-1251 -401) (600 800))
+  R(l11 (23400 -800) (1200 800))
+  R(l11 (-750 -1450) (300 1400))
+  R(l11 (-101 -351) (2 2))
+  R(l11 (549 -401) (600 800))
+  R(l9 (-24850 -1500) (500 1500))
+  R(l9 (22900 -1500) (500 1500))
+ )
+ N(13 I(OUT)
+  R(l11 (23440 3840) (320 320))
+  R(l12 (-260 -260) (200 200))
+  R(l13 (-101 -101) (2 2))
+  R(l13 (-201 -201) (400 400))
+ )
+ N(14 I(ENABLE)
+  R(l11 (2440 2940) (320 320))
+  R(l12 (-260 -260) (200 200))
+  R(l13 (-101 -101) (2 2))
+  R(l13 (-201 -201) (400 400))
+ )
+ N(15 I(VSS)
+  R(l8 (1110 1610) (180 180))
+  R(l8 (-180 -1280) (180 180))
+  R(l8 (-180 370) (180 180))
+  R(l8 (23220 370) (180 180))
+  R(l8 (-180 -1280) (180 180))
+  R(l8 (-180 370) (180 180))
+  R(l11 (-21741 -391) (2 2))
+  R(l11 (-1901 -401) (300 1400))
+  R(l11 (-750 -1450) (1200 800))
+  R(l11 (-551 -401) (2 2))
+  R(l11 (-1251 -401) (600 800))
+  R(l11 (23850 -750) (300 1400))
+  R(l11 (-750 -1450) (1200 800))
+  R(l11 (-551 -401) (2 2))
+  R(l11 (549 -401) (600 800))
+  R(l10 (-24850 -800) (500 1500))
+  R(l10 (22900 -1500) (500 1500))
+ )
+ P(11 I(FB))
+ P(12 I(VDD))
+ P(13 I(OUT))
+ P(14 I(ENABLE))
+ P(15 I(VSS))
+ X(1 ND2X1 Y(1800 0)
+  P(0 12)
+  P(1 1)
+  P(2 15)
+  P(3 12)
+  P(4 11)
+  P(5 14)
+  P(6 15)
+ )
+ X(2 INVX1 Y(4200 0)
+  P(0 12)
+  P(1 2)
+  P(2 15)
+  P(3 12)
+  P(4 1)
+  P(5 15)
+ )
+ X(3 INVX1 Y(6000 0)
+  P(0 12)
+  P(1 3)
+  P(2 15)
+  P(3 12)
+  P(4 2)
+  P(5 15)
+ )
+ X(4 INVX1 Y(7800 0)
+  P(0 12)
+  P(1 4)
+  P(2 15)
+  P(3 12)
+  P(4 3)
+  P(5 15)
+ )
+ X(5 INVX1 Y(9600 0)
+  P(0 12)
+  P(1 5)
+  P(2 15)
+  P(3 12)
+  P(4 4)
+  P(5 15)
+ )
+ X(6 INVX1 Y(11400 0)
+  P(0 12)
+  P(1 6)
+  P(2 15)
+  P(3 12)
+  P(4 5)
+  P(5 15)
+ )
+ X(7 INVX1 Y(13200 0)
+  P(0 12)
+  P(1 7)
+  P(2 15)
+  P(3 12)
+  P(4 6)
+  P(5 15)
+ )
+ X(8 INVX1 Y(15000 0)
+  P(0 12)
+  P(1 8)
+  P(2 15)
+  P(3 12)
+  P(4 7)
+  P(5 15)
+ )
+ X(9 INVX1 Y(16800 0)
+  P(0 12)
+  P(1 9)
+  P(2 15)
+  P(3 12)
+  P(4 8)
+  P(5 15)
+ )
+ X(10 INVX1 Y(18600 0)
+  P(0 12)
+  P(1 10)
+  P(2 15)
+  P(3 12)
+  P(4 9)
+  P(5 15)
+ )
+ X(11 INVX1 Y(20400 0)
+  P(0 12)
+  P(1 11)
+  P(2 15)
+  P(3 12)
+  P(4 10)
+  P(5 15)
+ )
+ X(12 INVX1 Y(22200 0)
+  P(0 12)
+  P(1 13)
+  P(2 15)
+  P(3 12)
+  P(4 11)
+  P(5 15)
+ )
+)