data/region/31.yml
---
- code: '3101'
- code: '3102'
- code: '3103'
- code: '3104'
- code: '3105'
- code: '3106'
- code: '3107'
- code: '3108'
- code: '3109'
- code: '3110'
- code: '3111'
- code: '3112'
- code: '3113'
- code: '3114'
- code: '3115'
- code: '3116'
- code: '3117'
- code: '3118'
- code: '3119'
- code: '3121'
- code: '3122'