Overseen by Levites

Eastern/Left Bank

1. Golan -Joseph-Manasseh (Gershonites) sacked from Amorites
2. Ramoth-Gilead? -Gad
3. Bezer (Gad, Reuben, east Manasseh?)

Western/Right Bank

1. Kadesh - Naphtali
2. Shechem-Joseph-Ephraim
3. Hebron -Judah

https://en.wikipedia.org/wiki/Cities_of_Refuge