best_ku	best_ku_l	best_ku_k	best_ku_g	gueltig_id
0	UG	1	-1	0
1	OS	1	0	1
2	US	2	0	2
3	VVJ	3	0	3
4	NHR	4	0	4
5	UEH	4	0	5
6	ALT	4	0	6
-1	+++	-1	-1	-1
