private void Box64_TextChanged(object sender, EventArgs e)
{
int[,] arr = mapTableToArray(); CCC = new CheckCorrectCell(arr);
if (CCC.checkCorrectCell9x9(7, 0) &&
Box64.Text != "")
{
Box64.BackColor = Color.Red;
}
else
Box64.BackColor = Color.White;
congratulations9x9();
}