diff --git a/testdata/lvs/ringo_simple_dmos_fixed.cir b/testdata/lvs/ringo_simple_dmos_fixed.cir.1
similarity index 100%
rename from testdata/lvs/ringo_simple_dmos_fixed.cir
rename to testdata/lvs/ringo_simple_dmos_fixed.cir.1
diff --git a/testdata/lvs/ringo_simple_dmos_fixed.cir.2 b/testdata/lvs/ringo_simple_dmos_fixed.cir.2
new file mode 100644
index 000000000..7247bf435
--- /dev/null
+++ b/testdata/lvs/ringo_simple_dmos_fixed.cir.2
@@ -0,0 +1,83 @@
+* Extracted by KLayout
+
+* cell RINGO
+* pin FB
+* pin VDD
+* pin OUT
+* pin ENABLE
+* pin VSS
+.SUBCKT RINGO 11 12 13 14 15
+* net 11 FB
+* net 12 VDD
+* net 13 OUT
+* net 14 ENABLE
+* net 15 VSS
+* cell instance $1 r0 *1 1.8,0
+X$1 12 1 15 12 11 14 15 ND2X1
+* cell instance $2 r0 *1 4.2,0
+X$2 12 2 15 12 1 15 INVX1
+* cell instance $3 r0 *1 6,0
+X$3 12 3 15 12 2 15 INVX1
+* cell instance $4 r0 *1 7.8,0
+X$4 12 4 15 12 3 15 INVX1
+* cell instance $5 r0 *1 9.6,0
+X$5 12 5 15 12 4 15 INVX1
+* cell instance $6 r0 *1 11.4,0
+X$6 12 6 15 12 5 15 INVX1
+* cell instance $7 r0 *1 13.2,0
+X$7 12 7 15 12 6 15 INVX1
+* cell instance $8 r0 *1 15,0
+X$8 12 8 15 12 7 15 INVX1
+* cell instance $9 r0 *1 16.8,0
+X$9 12 9 15 12 8 15 INVX1
+* cell instance $10 r0 *1 18.6,0
+X$10 12 10 15 12 9 15 INVX1
+* cell instance $11 r0 *1 20.4,0
+X$11 12 11 15 12 10 15 INVX1
+* cell instance $12 r0 *1 22.2,0
+X$12 12 13 15 12 11 15 INVX1
+.ENDS RINGO
+
+* cell INVX1
+* pin VDD
+* pin OUT
+* pin VSS
+* pin 
+* pin IN
+* pin SUBSTRATE
+.SUBCKT INVX1 1 2 3 4 5 6
+* net 1 VDD
+* net 2 OUT
+* net 3 VSS
+* net 5 IN
+* net 6 SUBSTRATE
+* device instance $1 r0 *1 0.85,5.8 PMOS
+M$1 2 5 1 4 PMOS L=0.25U W=1.5U AS=0.6375P AD=0.6375P PS=3.85U PD=3.85U
+* device instance $2 r0 *1 0.85,2.135 NMOS
+M$2 2 5 3 6 NMOS L=0.25U W=0.95U AS=0.40375P AD=0.40375P PS=2.75U PD=2.75U
+.ENDS INVX1
+
+* cell ND2X1
+* pin VDD
+* pin OUT
+* pin VSS
+* pin 
+* pin B
+* pin A
+* pin SUBSTRATE
+.SUBCKT ND2X1 1 2 3 5 6 7 8
+* net 1 VDD
+* net 2 OUT
+* net 3 VSS
+* net 6 B
+* net 7 A
+* net 8 SUBSTRATE
+* device instance $1 r0 *1 0.85,5.8 PMOS
+M$1 2 7 1 5 PMOS L=0.25U W=1.5U AS=0.3375P AD=0.6375P PS=1.95U PD=3.85U
+* device instance $2 r0 *1 1.55,5.8 PMOS
+M$2 2 6 1 5 PMOS L=0.25U W=1.5U AS=0.3375P AD=0.6375P PS=1.95U PD=3.85U
+* device instance $3 r0 *1 1.55,2.135 NMOS
+M$3 2 6 4 8 NMOS L=0.25U W=0.95U AS=0.20615P AD=0.40375P PS=2.334U PD=2.75U
+* device instance $4 r0 *1 0.85,2.135 NMOS
+M$4 4 7 3 8 NMOS L=0.25U W=0.95U AS=0.40375P AD=0.22135P PS=2.75U PD=2.366U
+.ENDS ND2X1