private void leftCtrlClickAction(int x, int y)
    {
        if (!isEditable())
        {
            leftShiftClickAction(x, y);
            return;
        }
        if (isTile(x, y))
        {
            if (selection[x][y] == -1 && selt != 1)
            {
                selection[x][y] = getArrangementData(x, y);
            }
            else if (selection[x][y] != -1 && selt != 0)
            {
                setArrangementData(x, y, selection[x][y]);
                selection[x][y] = -1;
            }
            repaint();
        }
    }