{
	name:
		(Two squares)
	a:
		(  ( ((0, 0), (200, 0), (200, 200), (0, 200)) )  )
	b:
		((((100, 100), (300, 100), (300, 300), (100, 300))))
	add:
		((((0, 0), (200, 0), (200, 100), (300, 100), (300, 300), (100, 300), (100, 200), (0, 200))))
	subtract:
		((((0, 0), (200, 0), (200, 100), (100, 100), (100, 200), (0, 200))))
	xor:
		(( ((0, 0), (200, 0), (200, 100), (100, 100), (100, 200), (0, 200)),
	  	  ((200, 200), (200, 100), (300, 100), (300, 300), (100, 300), (100, 200)) ))
	intersection:
		((((100, 100), (200, 100), (200, 200), (100, 200))))
}