Zaɓi lamba, saboda lambar ya kamata ta zama adadin ƙungiyoyin da kuke son kafawa. Sannan ka ce wa mutane su fara kirgawa akai-akai, har sai sun kare. Misali, ana son a raba mutane 20 zuwa rukuni biyar, kuma kowane mutum ya ƙidaya daga 1 zuwa 5, sannan a maimaita maimaitawa (jimlar sau 4) har sai an sanya kowa a cikin ƙungiya!