C1407 Maze

"This is bad." Dongfang Qingyu looked at the number written on the wall. 76. Because he knew it was a maze, he naturally wouldn't casually walk around. With every step he took, he left a mark. According to the Arab number, starting from 1, every turn or fork would leave a number.

However, after circling the maze for a few hours, the number he saw became chaotic. Sometimes it was 68, sometimes 39