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.
The second was Suma-san, the maid who 
took care of her when she was young.
.الثانية كانت سوما-سان، الخادمة التي اعتنت بها في صغرها
Der Zweite ist eine Hausangestellte
aus ihrer Kindheit.
La segunda era Suma-san, la sirvienta 
que cuidó de ella en su juventud.
La segunda era Suma-san, la sirvienta 
que cuidó de ella en su juventud.
La deuxième était Suma,
la domestique qui s’occupait d’elle.
A segunda era a empregada que cuidou 
dela quando ela era bem nova, a Suma-san.