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
42022147	T	C	False	8	0.368	0.271	0.351	False	False	0.37/19	0.38/13	0.19/21	0.29/21	0.27/15	0.29/21	0.33/18	0.47/17	0.33/18
42022157	A	T	False	9	0.5	0.394	0.575	False	False	0.50/22	0.38/13	0.32/19	0.38/24	0.53/15	0.60/20	0.62/16	0.56/16	0.52/21
42022188	G	A	True	8	0.8	0.481	0.68	False	True	0.80/5	0.33/6	0.60/5	0.33/9	0.71/7	0.75/8	0.62/8	1.00/2	0.57/7
42022202	A	G	False	2	0.0	0.123	0.211	False	False	0.00/21	0.06/17	0.11/18	0.07/27	0.26/19	0.28/18	0.22/18	0.12/16	0.21/24