public override string ToString() {
StringBuilder sb = new StringBuilder("SliceRange(");
sb.Append("Start: ");
sb.Append(Start);
sb.Append(",Finish: ");
sb.Append(Finish);
sb.Append(",Reversed: ");
sb.Append(Reversed);
sb.Append(",Count: ");
sb.Append(Count);
sb.Append(")");
return sb.ToString();
}