data	group
1	8.8	gpB
2	8.4	gpB
3	7.9	gpB
4	8.7	gpB
5	9.1	gpB
6	9.6	gpB
7	9.9	gpG
8	9	gpG
9	11.1	gpG
10	9.6	gpG
11	8.7	gpG
12	10.4	gpG
13	9.5	gpG