pos	ref	alt	in_target	n_oysters_with_alt	alt_freq_Pum	alt_freq_Qui	alt_freq_Rio	pop_differentiated	cpg_destroying	Pum1	Qui1	Qui2	Qui3	Qui4	Rio1	Rio2	Rio3	Rio4
21360538	A	T	False	1	0.067	0.053	0.017	False	False	0.07/15	0.25/8	0.00/9	0.00/11	0.00/10	0.00/13	0.06/18	0.00/12	0.00/16
21360540	A	G	False	1	0.267	0.054	0.034	False	False	0.27/15	0.12/8	0.11/9	0.00/11	0.00/9	0.08/13	0.00/17	0.09/11	0.00/17
21360554	A	C	False	4	0.5	0.167	0.35	False	False	0.50/14	0.20/5	0.18/11	0.18/11	0.11/9	0.33/12	0.22/18	0.50/12	0.39/18
21360609	G	A	False	2	0.25	0.0	0.059	False	True	0.25/4	0.00/1	0.00/3	0.00/5	0.00/3	0.00/5	0.00/4	0.00/4	0.25/4