[
	[
		[0, 1, 8],
		[2, 3],
		[4, 5],
		[6, 7]
	],

	[
		[0, 2],
		[1, 3],
		[4, 6, 8],
		[5, 7]
	],

	[
		[0, 4],
		[1, 5],
		[2, 6],
		[3, 7, 8]
	],

	[
		[0, 7],
		[1, 6],
		[2, 5, 8],
		[3, 4]
	]
]