30 Chotengera chilichonse chinali ndi mawilo 4 akopa ndiponso mapaipi akopa olumikiza mawilo. Mʼmakona 4 a chotengeracho munali zogwiriziza mawilo ndi mapaipiwo. Pansi pa beseni panalinso zogwiriziza ndipo anazipangira kumodzi ndi nkhata zamaluwa pafupi ndi chogwiriziza chilichonse.