Saikawa and Nishinosono return to the camp, putting off trying to find a solution to the case. But they can't stop thinking about it. They go back to the lab and investigate Dr. Shiki's rooms again, where they find a strange number that is a clue.
When did they enter and how?
متى دخل وكيف؟
Wann und wie ist der da
nur reingekommen?
¿Cuándo y cómo entró?
¿Cuándo y cómo entró?
Quand et comment est-il entré ?
Quando e come è entrato il colpevole?
Quando e como ele entrou?