New Concepts in Magic Squares: Double Digits Bordered Magic Squares of Orders 7 to 108

For the first time in history of magic squares, this work brings different kinds of magic squres. These are two digits or double digits bordered magic squares. The work is for the orders 7 to 108. Few months back, the author worked on these kind of magic squares but only for even orders from order 8 to 40. Work on odd numbers orders from orders 7 to 31 is also done. Complete details for even and odd orders are available at author's site. Here the examples are only up to order 30. Further orders are available in excel files attached with this work. It contains the double digits magic squares of orders 7 to 108.