1 = Son Tay Prison

2 = Xom Ap Lo Prison

3 = Tuyen Quang Prison

4 = Ba Vi Prison

5 = Bon Puoi Prison

6 = Xom Tang Prison

7 = Chom Lai Prison

8 = Coc Mi Prison

9 = Xom Giang Prison

10 = Tan Lap Prison

11 = Quyet Tien Prison

12 = Yen Bai Prison

13 = Ha Son Binh (or Son Binh) Prison

14 = Thanh Hoa Prison

15 = Dong Vai Prison

16 = Nhommarath Prison

17 = Cam Chu Prison

18 = Thanh Liet Prison

19 = Vinh Quang Prison

20 = Ha Dong Prison

21 = reference to prison in Attopeu, Laos