C77 I like to Push and Play

"Xiao Ge, you're such a pest!" Xiaoxiao snapped before abruptly hanging up the phone.

Undeterred, Xiao Ge redialed the number. Just like before, he was prompted to enter a code. But after he did, a new message came through: "Sorry, you have been blacklisted."

Xiao Ge couldn't help but feel frustrated. Was that even allowed?

After two more unsuccessful attempts, his frustration grew