public String toString() {return getClass().getName() +" [" +_firstMovedIndex +_lastMovedIndex +_amountToMove +"]";}
public override String ToString(){StringBuilder sb = new StringBuilder();sb.Append(GetType().Name);sb.Append(" [");sb.Append(_firstMovedIndex);sb.Append(_lastMovedIndex);sb.Append(_amountToMove);return sb.ToString();}