1	group1	test1	att1	val1
2	group1	test1	att2	val2
3	group1	test1	att3	val3
4	group1	test1	att4	val4
5	group1	test2	att1	val5
6	group1	test2	att2	val6
7	group1	test2	att3	val7
8	group1	test2	att4	val8
9	group2	test3	att1	val1
10	group2	test3	att2	val2
11	group2	test3	att3	val3
12	group2	test4	att1	val4
13	group2	test4	att2	val5
14	group2	test4	att3	val6