#FIG 3.2  Produced by xfig version 3.2.7b
Landscape
Center
Metric
A4
100.00
Single
-2
1200 2
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
	1 1 1.00 45.00 90.00
	 1260 1350 1485 1665
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
	1 1 1.00 45.00 90.00
	 1260 1350 1035 1665
2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 1 0 2
	1 1 1.00 45.00 90.00
	 1263 1346 1578 1571
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
	1 1 1.00 45.00 90.00
	 2520 1350 2520 1665
2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
	1 1 1.00 45.00 90.00
	 2520 1800 2520 2115
2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 1 0 2
	1 1 1.00 45.00 90.00
	 2520 1350 2835 1575
2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 1 0 2
	1 1 1.00 45.00 90.00
	 2517 1804 2832 2029
4 1 0 50 -1 5 12 0.0000 2 120 240 1035 1800 V1\001
4 1 0 50 -1 5 12 0.0000 2 120 240 1485 1800 V2\001
4 1 0 50 -1 5 12 0.0000 2 120 240 1260 1350 V0\001
4 0 0 50 -1 0 12 0.0000 2 135 420 1620 1665 vtable\001
4 1 0 50 -1 5 12 0.0000 2 120 240 2520 1350 W0\001
4 1 0 50 -1 5 12 0.0000 2 120 240 2520 2250 W2\001
4 1 0 50 -1 5 12 0.0000 2 120 240 2520 1800 W1\001
4 0 0 50 -1 0 12 0.0000 2 135 420 2880 1620 vtable\001
4 0 0 50 -1 0 12 0.0000 2 135 420 2880 2070 vtable\001
4 1 0 50 -1 0 12 0.0000 2 180 1365 1935 1080 virtual type trees\001
4 0 0 50 -1 5 12 0.0000 2 150 735 3060 1755 Id; <,+\001
4 0 0 50 -1 5 12 0.0000 2 150 1155 3060 2250 Id; <,+,w,-\001