groupnames	group	y	x1	x2
RS	1	12.8	1	0
RS	1	21.6	1	0
RS	1	14.8	1	0
RS	1	23.1	1	0
RS	1	34.6	1	0
RS	1	19.7	1	0
RS	1	22.6	1	0
RS	1	29.6	1	0
RS	1	16.4	1	0
RS	1	20.3	1	0
RS	1	29.3	1	0
RS	1	14.9	1	0
RS	1	27.3	1	0
RS	1	22.4	1	0
RS	1	27.5	1	0
RS	1	20.3	1	0
RS	1	38.7	1	0
RS	1	26.4	1	0
RS	1	23.7	1	0
RS	1	26.1	1	0
RS	1	29.5	1	0
RS	1	38.6	1	0
RS	1	44.4	1	0
RS	1	23.2	1	0
RS	1	23.6	1	0
SS	2	38.4	0	1
SS	2	32.9	0	1
SS	2	48.5	0	1
SS	2	20.9	0	1
SS	2	11.6	0	1
SS	2	22.3	0	1
SS	2	30.2	0	1
SS	2	33.4	0	1
SS	2	26.7	0	1
SS	2	39	0	1
SS	2	12.8	0	1
SS	2	14.6	0	1
SS	2	12.2	0	1
SS	2	23.1	0	1
SS	2	29.4	0	1
SS	2	16	0	1
SS	2	20.1	0	1
SS	2	23.3	0	1
SS	2	22.9	0	1
SS	2	22.5	0	1
SS	2	15.1	0	1
SS	2	31	0	1
SS	2	16.9	0	1
SS	2	16.1	0	1
SS	2	10.8	0	1
NS	3	35.4	-1	-1
NS	3	27.4	-1	-1
NS	3	19.3	-1	-1
NS	3	41.8	-1	-1
NS	3	20.3	-1	-1
NS	3	37.6	-1	-1
NS	3	36.9	-1	-1
NS	3	37.3	-1	-1
NS	3	28.2	-1	-1
NS	3	23.4	-1	-1
NS	3	33.7	-1	-1
NS	3	29.2	-1	-1
NS	3	41.7	-1	-1
NS	3	22.6	-1	-1
NS	3	40.4	-1	-1
NS	3	34.4	-1	-1
NS	3	30.4	-1	-1
NS	3	14.9	-1	-1
NS	3	51.8	-1	-1
NS	3	33.8	-1	-1
NS	3	37.9	-1	-1
NS	3	29.5	-1	-1
NS	3	42.4	-1	-1
NS	3	36.6	-1	-1
NS	3	47.4	-1	-1