/// <summary>
/// Render grid in a display-friendly way
/// </summary>
/// <returns>List of strings, one line for each row of the board</returns>
public List <string> Render()
{
return
(Markers.Aggregate(
new List <string>(),
(result, row) =>
{
result.Add(
row.Aggregate(
new StringBuilder(),
(sb, marker) => sb.Append($"[{marker}] ")
).ToString()
);
return result;
}
));
}