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
18830689	G	T	False	1	0.8			False	False	0.80/5			0.00/1			1.00/1		1.00/2
18830717	T	C	False	1	0.007	0.022	0.0	False	False	0.01/285	0.25/4	0.00/17	0.00/13	0.00/11	0.00/41	0.00/37	0.00/32	0.00/46
18830728	C	T	True	3	0.018	0.0	0.295	False	True	0.02/283	0.00/4	0.00/18	0.00/9	0.00/12	0.29/41	0.39/36	0.23/31	0.27/41
18830741	G	T	False	1	0.667			False	False	0.67/6			0.00/1			1.00/1		1.00/2
18830754	C	T	False	3	0.039	0.0	0.301	False	True	0.04/283	0.00/7	0.00/17	0.00/12	0.00/10	0.29/41	0.41/34	0.14/29	0.33/39
18830756	A	T	False	1	0.423	0.0	0.007	False	False	0.42/279	0.00/7	0.00/17	0.00/13	0.00/10	0.02/42	0.00/38	0.00/30	0.00/43
18830766	G	T	False	1	1.0		1.0	False	False	1.00/6			0.00/1			1.00/2		1.00/2
18830769	T	C	False	2	0.013	0.0	0.232	False	False	0.01/309	0.00/7	0.00/15	0.00/11	0.00/8	0.26/42	0.17/42	0.31/35	0.20/45
18830774	T	A	False	4	0.057	0.0	0.655	True	False	0.06/314	0.00/9	0.00/16	0.00/10	0.00/8	0.63/43	0.71/45	0.67/36	0.61/44