AIMA.Core.Environment.EightPuzzle.EightPuzzleBoard.ToString C# (CSharp) Method

	public override String ToString() {
		String retVal = state[0] + " " + state[1] + " " + state[2] + "\n"
				+ state[3] + " " + state[4] + " " + state[5] + " " + "\n"
				+ state[6] + " " + state[7] + " " + state[8];
		return retVal;
	}