public String toString() {
		String s = "";
		for (int y = plateau[0].length - 1; y >= 0; y--) {
			for (int x = 0; x < plateau.length; x++) {
				if (plateau[x][y] == 1)
					s += "X ";
				else if (plateau[x][y] == 0)
					s += "O ";
				else
					s += "" + plateau[x][y];
			}
			s += "\n";
		}
		return s;
	}