#FIG 2.1
80 2
1 3 0 1 -1 0 0 0 0.000 1 0.000 68 50 4 5 68 50 71 54
1 3 0 1 -1 0 0 0 0.000 1 0.000 106 38 4 5 106 38 111 43
1 3 0 1 -1 0 0 0 0.000 1 0.000 117 93 4 5 117 93 121 97
2 3 0 1 -1 0 0 0 0.000 -1 0 0
	 65 77 65 83 70 83 70 77 65 77 9999 9999
2 3 0 1 -1 0 0 0 0.000 -1 0 0
	 94 77 94 83 100 83 100 77 94 77 9999 9999
2 3 0 1 -1 0 0 0 0.000 -1 0 0
	 126 29 126 36 132 36 132 29 126 29 9999 9999
2 3 0 1 -1 0 0 0 0.000 -1 0 0
	 132 70 132 77 137 77 137 70 132 70 9999 9999
2 3 0 1 -1 0 0 0 0.000 -1 0 0
	 86 53 91 53 90 46 86 53 9999 9999
2 3 0 1 -1 0 0 0 0.000 -1 0 0
	 115 80 121 80 119 74 115 80 9999 9999
2 3 0 1 -1 0 0 0 0.000 -1 0 0
	 78 104 84 104 81 97 78 104 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 68 54 68 77 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 70 80 113 90 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 91 53 115 89 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 87 50 70 50 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 70 77 90 53 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 82 101 97 83 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 84 104 113 94 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 68 83 78 100 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 107 43 117 77 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 100 80 115 80 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 91 53 97 77 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 90 49 103 40 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 109 35 126 36 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 129 36 119 76 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 109 38 132 74 9999 9999
2 1 0 1 -1 0 0 0 0.000 -1 0 0
	 121 90 132 77 9999 9999