ID_technical	ID_biological	group	group2
s1_1	s1	YC	young_control
s1_2	s1	YC	young_control
s1_3	s1	YC	young_control
s2_1	s2	YC	young_control
s2_2	s2	YC	young_control
s2_3	s2	YC	young_control
s3_1	s3	YC	young_control
s3_2	s3	YC	young_control
s3_3	s3	YC	young_control
s8_1	s8	YE	young_enriched
s8_2	s8	YE	young_enriched
s8_3	s8	YE	young_enriched
s9_1	s9	YE	young_enriched
s9_2	s9	YE	young_enriched
s9_3	s9	YE	young_enriched
s10_1	s10	YE	young_enriched
s10_2	s10	YE	young_enriched
s10_3	s10	YE	young_enriched
s13_1	s13	OC	old_control
s13_2	s13	OC	old_control
s13_3	s13	OC	old_control
s14_1	s14	OC	old_control
s14_2	s14	OC	old_control
s14_3	s14	OC	old_control
s15_1	s15	OC	old_control
s15_2	s15	OC	old_control
s15_3	s15	OC	old_control
s16_1	s16	OE	old_enriched
s16_2	s16	OE	old_enriched
s16_3	s16	OE	old_enriched
s17_1	s17	OE	old_enriched
s17_2	s17	OE	old_enriched
s17_3	s17	OE	old_enriched
s18_1	s18	OE	old_enriched
s18_2	s18	OE	old_enriched
s18_3	s18	OE	old_enriched