"Actually, this Sudoku is quite simple; it's just numbers one to nine. After filling them in, the sums of the numbers in each row, column, and diagonal are all equal. It's too simple. Even kindergarten kids could solve this level of Sudoku in my past life. So, Yang Ruxin called out without hesitation, 'Two, three, six.'"
Gu Qingheng nodded, 'You stay here, I'll open the door.'
'I'm coming with you,' Yang Ruxin said, holding Gu Qingheng's hand tightly. Although she was confident she had the right answer, she didn't want Gu Qingheng to take the risk alone. This place was rigged with such clever traps; if the answer was right, the door would open, but if it was wrong—and one could guess using their toes—there would surely be a barrage of arrows, and the person opening the door would have nowhere to escape."
'You...'