@Override
	public String toString() {
		String acc = "[\n";
		for (int i = 1; i <= m; i++) {
			acc += "[";
			for (int j = 1; j <= n; j++) {
				acc += this.get(i, j) + ((j <= (n - 1)) ? "," : "");
			}
			acc += "]" + ((i <= (m - 1)) ? ",\n" : "");
		}
		return acc + "\n]";
	}