#	Cubic 3-Torus
#
#	The quotient of E³ by unit translations
#	along the x-, y- and z-axes is a cubic 3-torus.
#	The first three elements in the bottom row
#	of each matrix define the translation vectors.

 1.0  0.0  0.0  0.0 
 0.0  1.0  0.0  0.0 
 0.0  0.0  1.0  0.0 
 1.0  0.0  0.0  1.0 

 1.0  0.0  0.0  0.0 
 0.0  1.0  0.0  0.0 
 0.0  0.0  1.0  0.0 
 0.0  1.0  0.0  1.0 

 1.0  0.0  0.0  0.0 
 0.0  1.0  0.0  0.0 
 0.0  0.0  1.0  0.0 
 0.0  0.0  1.0  1.0