#	Filter for three types of Sigma 5 symmetric tilt boundaries in BCC bicrystals
#	The first type, B1, has 3 associated Voronoi topologies, the second, B2, has
#	2 associated types, and the third, B3, has 6 associated types.
*	1	BCC
*	2	B1
*	3	B2
*	4	B3
1	(1,2,3,4,1,4,5,6,7,8,1,8,9,10,11,2,11,12,13,14,3,14,15,16,5,16,17,6,17,18,19,20,7,20,9,20,19,21,22,10,22,12,22,21,23,24,13,24,15,24,23,18,23,21,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
2	(1,2,3,1,3,4,5,6,7,1,7,8,9,10,11,2,11,12,13,14,4,14,15,5,15,16,17,18,6,18,8,18,17,19,20,9,20,21,10,21,22,12,22,23,13,23,24,16,24,19,24,23,22,21,20,19,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
2	(1,2,3,1,3,4,5,6,7,1,7,8,9,10,11,2,11,12,13,14,4,14,5,14,13,15,16,17,6,17,18,19,8,19,20,9,20,21,22,10,22,23,24,12,24,15,24,23,25,26,16,26,18,26,25,21,25,23,22,21,20,19,18,17,16,15,13,12,11,10,9,8,7,6,5,4,3,2,1)
2	(1,2,3,1,3,4,5,6,7,1,7,8,9,10,2,10,11,12,13,4,13,14,15,16,5,16,17,18,6,18,19,8,19,20,21,22,23,9,23,24,25,11,25,26,27,12,27,14,27,26,28,15,28,21,28,26,25,24,22,24,23,22,21,20,17,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
3	(1,2,3,1,3,4,5,6,7,1,7,8,9,10,2,10,11,12,4,12,13,5,13,14,15,16,6,16,8,16,15,17,18,9,18,11,18,17,14,17,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
3	(1,2,3,4,1,4,5,6,7,8,1,8,9,10,11,2,11,12,13,14,3,14,15,16,5,16,17,6,17,18,19,20,7,20,21,9,21,22,23,24,10,24,12,24,23,25,26,13,26,27,15,27,28,18,28,29,19,29,30,22,30,25,30,29,28,27,26,25,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
4	(1,2,3,4,1,4,5,6,7,1,7,8,9,10,2,10,11,12,13,3,13,14,15,5,15,16,17,6,17,18,8,18,19,20,21,9,21,11,21,20,22,23,12,23,14,23,22,24,16,24,19,24,22,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
4	(1,2,3,4,1,4,5,6,7,1,7,8,9,10,2,10,11,12,13,3,13,14,15,5,15,16,6,16,17,18,8,18,19,20,9,20,11,20,19,21,22,12,22,14,22,21,17,21,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
4	(1,2,3,4,1,4,5,6,7,1,7,8,9,10,2,10,11,12,3,12,13,14,5,14,15,16,6,16,17,18,8,18,19,20,9,20,21,11,21,22,23,13,23,24,15,24,25,26,17,26,19,26,25,22,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
4	(1,2,3,4,1,4,5,6,7,1,7,8,9,10,2,10,11,12,3,12,13,14,5,14,15,16,6,16,17,18,8,18,19,9,19,20,21,11,21,22,13,22,23,24,15,24,17,24,23,20,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
4	(1,2,3,4,1,4,5,6,7,1,7,8,9,2,9,10,11,12,3,12,13,14,5,14,15,16,6,16,17,18,8,18,19,20,10,20,21,22,11,22,23,13,23,24,25,15,25,17,25,24,26,19,26,21,26,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)
4	(1,2,3,4,1,4,5,6,7,1,7,8,9,2,9,10,11,12,3,12,13,14,5,14,15,16,6,16,17,8,17,18,10,18,19,20,11,20,13,20,19,15,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1)