#FIG 2.1
80 2
2 3 0 1 -1 0 0 21 0.000 7 0 0
	 255 636 175 636 133 560 210 560 255 636 9999 9999
2 3 0 1 -1 0 0 21 0.000 7 0 0
	 133 418 172 488 129 562 89 495 133 418 9999 9999
2 3 0 1 -1 0 0 21 0.000 7 0 0
	 7 636 87 636 129 560 52 560 7 636 9999 9999