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.
Half of those are hers.
.نصف هذه لها
Die Hälfte davon ist von ihr.
La mitad de las latas son suyas.
La mitad de las latas son suyas.
Elle a bu la moitié
de ces canettes.
Metà di quelle l'ha bevuta Nishinosono...
Metade delas são 
da Nishinosono-san.