private void makeSolved() {
		gameBoard = new int[numOfTilesOnSide][numOfTilesOnSide];
		int n = 1;
		for (int i = 0; i < numOfTilesOnSide; i++) {
			for (int j = 0; j < numOfTilesOnSide; j++) {
				if (i == (numOfTilesOnSide - 1)
						&& j == (numOfTilesOnSide - 1)) {
					gameBoard[i][j] = 0;
				} else {
					gameBoard[i][j] = n;
				}
				n++;
			}
		}
	}