return {
	tiles = {
		5, 0, 0, 5, 0, 0, 5, 0, 0, 5, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		0,10, 0, 0,11, 0, 0,12, 0, 0,13, 0,
		2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
	},
	walls = {
		3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
		3, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 2,
		2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2,
		3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2,
		2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2,
		3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2,
		2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2,
		3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2,
		2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2,
		1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0
	}
}
