pokeapi/data/v2/csv/version_group_regions.csv

1	version_group_id	region_id
2	1	1
3	2	1
4	3	1
5	3	2
6	4	1
7	4	2
8	5	3
9	6	3
10	7	1
11	8	4
12	9	4
13	10	1
14	10	2
15	11	5
16	14	5
17	15	6
18	16	3
19	17	7
20	18	7
21	19	1
22	20	8
23	21	8
24	22	8
25	23	4
26	24	9
27	25	10