complex.json

{
    "start": [50, 50],
    "polygons": {
	"main": [
	    [40, 40],
	    [300, 40],
	    [300, 100],
	    [300, 200],
	    [350, 250],
	    [400, 200],
	    [400, 100],
	    [400, 40],
	    [590, 40],
	    [590, 460],
	    [40, 460],
	    [40, 40]
	],
	"triangle1": [
	    [50, 70],
	    [70, 50],
	    [70, 70]
	],
	"squiggle2": [
	    [250, 170],
	    [256, 153],
	    [270, 150],
	    [295, 185]
	],
	"hole1": [
	    [100, 100],
	    [130, 130],
	    [160, 100],
	    [200, 100],
	    [200, 200],
	    [100, 200],
	    [100, 150]
	],
	"hole2": [
	    [400, 300],
	    [500, 300],
	    [450, 350],
	    [500, 400],
	    [400, 400]
	],
	"hole3": [
	    [60, 300],
	    [80, 340],
	    [110, 330],
	    [70, 370],
	    [60, 350],
	    [50, 320]
	],
	"hole4": [
	    [260, 290],
	    [280, 300],
	    [310, 340],
	    [270, 330],
	    [260, 350],
	    [250, 320]
	],
	"hole5": [
	    [455, 180],
	    [440, 93],
	    [547, 72],
	    [476, 105],
	    [511, 176],
	    [510, 231],
	    [446, 210]
	]
    }
}