belgium3b Derde klasse B 3de kl. B flag_be.png 1 1 4000 3 15 15 belgium4c relegation 16 16 belgium4d relegation 1 1 belgium2 promotion Overpelt Lommel Leuven Tongeren Sprimont Woluwe Walhain Diegem La Calamine O. Charleroi Tienen Kermt-Hasselt Bocholt Namen Veldwezelt Seraing F.B. boussu