--- /dev/null
+#FIG 3.2 Produced by xfig version 3.2.5
+Landscape
+Center
+Metric
+A4
+100.00
+Single
+-2
+1200 2
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 450 1800 45 45 450 1800 495 1800
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 450 450 45 45 450 450 495 450
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1800 450 45 45 1800 450 1845 450
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1800 1800 45 45 1800 1800 1845 1800
+2 2 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
+ 450 450 1800 450 1800 1800 450 1800 450 450
+3 2 1 1 0 7 50 -1 -1 3.000 0 0 0 5
+ 225 2520 450 1800 1125 585 1800 1800 2025 2520
+ 0.000 -1.000 -1.000 -1.000 0.000
--- /dev/null
+#FIG 3.2 Produced by xfig version 3.2.5
+Landscape
+Center
+Metric
+A4
+100.00
+Single
+-2
+1200 2
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 450 1800 45 45 450 1800 495 1800
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 450 450 45 45 450 450 495 450
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1800 450 45 45 1800 450 1845 450
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1800 1800 45 45 1800 1800 1845 1800
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 450 1125 45 45 450 1125 495 1125
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1125 450 45 45 1125 450 1170 450
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1800 1125 45 45 1800 1125 1845 1125
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1125 585 45 45 1125 585 1170 585
+2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 6
+ 450 450 450 1800 1125 585 1800 1800 1800 450 450 450
+3 2 1 1 0 7 50 -1 -1 3.000 0 0 0 5
+ 225 2520 450 1800 1125 585 1800 1800 2025 2520
+ 0.000 -1.000 -1.000 -1.000 0.000
--- /dev/null
+#FIG 3.2 Produced by xfig version 3.2.5
+Landscape
+Center
+Metric
+A4
+100.00
+Single
+-2
+1200 2
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 450 1800 45 45 450 1800 495 1800
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 450 450 45 45 450 450 495 450
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1800 450 45 45 1800 450 1845 450
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1800 1800 45 45 1800 1800 1845 1800
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 450 1125 45 45 450 1125 495 1125
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1125 450 45 45 1125 450 1170 450
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1800 1125 45 45 1800 1125 1845 1125
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1125 585 45 45 1125 585 1170 585
+1 3 0 1 0 0 50 -1 20 0.000 1 0.0000 1125 945 45 45 1125 945 1170 945
+2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 6
+ 450 450 450 1800 1125 585 1800 1800 1800 450 450 450
+2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 3
+ 450 1125 1125 945 1755 1125
+2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
+ 1125 450 1125 945
+3 2 1 1 0 7 50 -1 -1 3.000 0 0 0 5
+ 225 2520 450 1800 1125 585 1800 1800 2025 2520
+ 0.000 -1.000 -1.000 -1.000 0.000
--- /dev/null
+#FIG 3.2 Produced by xfig version 3.2.5
+Landscape
+Center
+Metric
+A4
+100.00
+Single
+-2
+1200 2
+2 3 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
+ 495 2205 495 3555 1845 3555 1845 2205 495 2205
+2 3 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
+ 3600 2250 3600 3600 4950 3600 4950 3600 3600 2250
+2 3 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 5
+ 6750 2250 6750 3600 8100 2250 8100 3600 6750 2250
+2 1 0 3 0 7 50 -1 -1 0.000 0 0 -1 0 0 7
+ 1845 3555 2430 2880 2430 1530 1845 2205 2430 1530 1080 1620
+ 495 2205