private static void DrawSegment(int i, int j, Board b, StringBuilder sb)
{
sb.Append($"| ");
if (b.GetStoneCount(j) >= i)
{
StoneColor color = b.GetStone(j).Color;
sb.Append(color.ToDescription());
}
else
{
sb.Append(' ');
}
sb.Append($" ");
}
