ReverseDemo.cs

private static void ReverseDemo(List<Order> orders)
{
    int mid = orders.Count / 2;
    var leftHalf = orders.Take(mid);
    var rightHalf = orders.Skip(mid);
    var combinedOrders = rightHalf.Concat(leftHalf);

    const int indentyBy = 4;  // indent sub result
    PrintHeaderFooter("Reversing from this list", () => PrintOrders(combinedOrders, indentyBy), indentyBy, '*');

    var reversedOrders = combinedOrders.Reverse();
    PrintOrders(reversedOrders);
}