private void SolveButton_Click(object sender, EventArgs e)
{
using var g = this.CreateGraphics();
g.Clear(this.BackColor);
_gameDrawer.Draw(g);
var result = _game.Solve();
if (result is null)
{
MessageBox.Show("No more solutions found");
}
else
{
_gameDrawer.DrawMove(g, result);
}
}