#OTU ID	SRR21968542
SRR21968542_1	9700
SRR21968542_10	116
SRR21968542_11	114
SRR21968542_12	61
SRR21968542_13	51
SRR21968542_14	32
SRR21968542_15	32
SRR21968542_16	29
SRR21968542_17	16
SRR21968542_18	27
SRR21968542_19	19
SRR21968542_2	2683
SRR21968542_20	22
SRR21968542_21	40
SRR21968542_22	10
SRR21968542_23	13
SRR21968542_3	1632
SRR21968542_4	1148
SRR21968542_5	786
SRR21968542_6	234
SRR21968542_7	259
SRR21968542_8	212
SRR21968542_9	186