groups	species
1	22
1	18
1	22
1	20
1	15
1	21
1	13
1	13
1	19
1	13
1	19
1	15
2	11
2	11
2	14
2	7
2	18
2	15
2	15
2	12
2	13
2	2
2	15
2	8
3	17
3	4
3	18
3	14
3	18
3	15
3	15
3	10
3	12