Bimagic Squares of order 8

Bimagic squares are rather hard to create. But some well-known algorithms exist especially for orders 8, 9 and 16, which will create a great variety of different bimagic squares.

Method Method
Chen – Li Lamb   (pandiagonal)
Coccoz Portier   (pandiagonal)
Coccoz (Pattern) Rilly
de Winkel Tarry 1903   (pandiagonal)
de Winkel   (pandiagonal) Tarry 1904   (pandiagonal)
Gérardin   (pandiagonal) Tarry - Cazalas
Hendricks   (pandiagonal)

All algorithms are described in detail in chapter Bimagic Squares (german: Bimagische Quadrate) together with some other PDF documents.