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.
decided to spend my life within it.
.لأقرر قضاء بقية حياتي بها
hätte ich bestimmt beschlossen,
hier drin mein Leben zu verbringen.
pasar toda mi vida enclaustrado con ustedes.
pasar toda mi vida encerrado con vosotros.
j’aurais tout fait
pour venir vivre ici.
forse avrei deciso di passare
la vita lì dentro.
eu provavelmente teria decidido 
passar o resto da minha vida lá dentro.