family	n_cgcs	n_genes	n_ssn_clusters
PL18	22	3	1
PL6	2	2	1
PL17_2	2	2	1
PL7_5	2	1	1
GH5_8	2	2	1
S1_64	2	2	1
GH16_3	1	1	1
PL7_3	1	0	0
S1_8	1	1	1
GH13_48	1	1	1
CE15	1	1	1
CE2	1	1	1