public int[][] copyArray(int[][] old){
		int[][] copiedArr = new int[old.length][old[0].length];
		for(int i = 0 ; i < old.length; i++){
			for(int j = 0 ; j < old[0].length; j++){
				copiedArr[i][j] = old[i][j];
			}
		}
		return copiedArr;
	}