let matrix1 = [
	[0,1,0,0],
	[0,1,0,0],
	[0,1,0,0],
	[0,1,0,0],
	[0,1,0,0]
];
					

let matrix2 = [
	[1,1,1,1],
	[0,0,1,0],
	[0,1,0,0],
	[1,0,0,0],
	[1,1,1,1]
];
					

let matrix3 = [
	[1,1,1,1],
	[0,0,0,1],
	[0,1,1,1],
	[0,0,0,1],
	[1,1,1,1]
];