On the twentieth level, there is another test to determine who may continue to climb the tower. Many who have failed and buried their dreams gather there. However, Ja Wangnan does not want to give up and puts everything on one last chance.
One test taker will enter 
every three minutes.
‫سيدخل مُختَبَر واحد كل ثلاث دقائق.
Alle drei Minuten wird
ein Prüfling eintreten.
Entrará un participante cada 3 minutos.
Entrará un participante cada 3 minutos.
Un régulier fera son entrée
toutes les trois minutes.
Ogni 3 minuti entrerà un nuovo candidato.
Um examinando entrará
a cada três minutos.
Каждые три минуты арена
будет открываться для нового участника.