for (int row=0; row<textFields.length; row++) {
for (int col=0; col<textFields[row].length; col++){
JTextField textField = new JTextField("");
textField.setEditable(false);
if (row==0 && col==0) {
textField.addComponentListener(this);
}
JPanel panel = new JPanel();
int top = row % SudokuGridModel.INNER_GRID_HEIGHT == 0 ? 2 : 0;
int left = col % SudokuGridModel.INNER_GRID_WIDTH == 0 ? 2 : 0;