internal void LoadTabPage(int size)
{
    for (int i = 0; i < (size + 1) / 2; i++)
    {
        for (int j = 0; j < size; j++)
        {
            tabControl.SelectedTab.Controls.Add(CreateNumberBoxes(false, (size + 1) / 2 - i, j + 1, new Point(102 + 28 * j, 12 + 32 * i)));
        }
    }
    for (int i = 0; i < size; i++)
    {
        for (int j = 0; j < (size + 1) / 2; j++)
        {
            tabControl.SelectedTab.Controls.Add(CreateNumberBoxes(true, i + 1, (size + 1) / 2 - j, new Point(18 + 28 * j, 104 + 32 * i)));
        }
    }
    for (int i = 0; i < size; i++)
    {
        for (int j = 0; j < size; j++)
        {
            tabControl.SelectedTab.Controls.Add(CreateCheckBoxes(i + 1, j + 1, new Point(102 + 28 * i, 108 + 27 * j)));
        }
    }

    TextBox CreateNumberBoxes(bool IsRow, int RCNumber, int InNumber, Point Location)
    {
        TextBox textBox = new TextBox();

        string Letter;
        if (IsRow) { Letter = "R"; }
        else { Letter = "C"; }

        textBox.Name = "textBox" + Letter + "_" + RCNumber + "_" + InNumber;
        textBox.Size = new Size(22, 26);
        textBox.Location = Location;

        return textBox;
    }

    CheckBox CreateCheckBoxes(int RowNumber, int ColumnNumber, Point Location)
    {
        CheckBox checkBox = new CheckBox();

        checkBox.Name = "checkBox" + RowNumber + "_" + ColumnNumber;
        checkBox.AutoSize = true;
        checkBox.Location = Location;
        checkBox.Size = new System.Drawing.Size(22, 21);
        checkBox.UseVisualStyleBackColor = true;

        return checkBox;
    }
}

internal void LoadTabPage(int size)
{
    for (int i = 0; i < (size + 1) / 2; i++)
    {
        for (int j = 0; j < size; j++)
        {
            tabControl.SelectedTab.Controls.Add(CreateNumberBoxes(false, (size + 1) / 2 - i, j + 1, new Point(102 + 28 * j, 12 + 32 * i)));
        }
    }
    for (int i = 0; i < size; i++)
    {
        for (int j = 0; j < (size + 1) / 2; j++)
        {
            tabControl.SelectedTab.Controls.Add(CreateNumberBoxes(true, i + 1, (size + 1) / 2 - j, new Point(18 + 28 * j, 104 + 32 * i)));
        }
    }
    for (int i = 0; i < size; i++)
    {
        for (int j = 0; j < size; j++)
        {
            tabControl.SelectedTab.Controls.Add(CreateCheckBoxes(i + 1, j + 1, new Point(102 + 28 * i, 108 + 27 * j)));
        }
    }

    TextBox CreateNumberBoxes(bool IsRow, int RCNumber, int InNumber, Point Location)
    {
        TextBox textBox = new TextBox();

        string Letter;
        if (IsRow) { Letter = "R"; }
        else { Letter = "C"; }

        textBox.Name = "textBox" + Letter + "_" + RCNumber + "_" + InNumber;
        textBox.Size = new Size(22, 26);
        textBox.Location = Location;

        return textBox;
    }

    CheckBox CreateCheckBoxes(int RowNumber, int ColumnNumber, Point Location)
    {
        CheckBox checkBox = new CheckBox();

        checkBox.Name = "checkBox" + RowNumber + "_" + ColumnNumber;
        checkBox.AutoSize = true;
        checkBox.Location = Location;
        checkBox.Size = new System.Drawing.Size(22, 21);
        checkBox.UseVisualStyleBackColor = true;

        return checkBox;
    }
}