Bimagic Squares of order 9

There are also some methods to create bimagic squares of order n=9.

Method
Coccoz
Coccoz   (Pattern)
Hendricks
Portier
Tarry - Cazalas
Tarry - Cazalas   (Sudoku squares)
Sudoku squares   (Method 1)
Sudoku squares   (Method 2)
Chen
de Winkel
Symmetrical Euler Squares