New Concepts in Magic Squares: Cornered Magic Squares of Orders 5 to 81

For the first time in history of magic squares, this work brings different kinds of magic squres. These are two double digits cornered magic squares. The work is for the orders 5 to 81. Few months back, the author worked on these kind of magic squares up to order 24. Complete details are available at author's site. Here the examples are only up to order 30. Further orders are available in an excel file attached with this work. It contains the cornered magic squares of orders 5 to 81.