family	n_cgcs	n_genes	n_ssn_clusters
CE21	37	37	1
GT4	12	12	2
GH166	5	5	1
GH191	4	4	1
GT2	2	2	2
GT51	1	1	1
S1_7	1	1	1
S1_37	1	1	1
GH51_1	1	1	1