Use the last iframe, because it has focus by default
Use the last iframe, because it has focus by default

alpire/picoCTF-web,cganas/picoCTF-web,alpire/picoCTF-web,alpire/picoCTF-web,picoCTF/picoCTF-web,picoCTF/picoCTF-web,picoCTF/picoCTF-web,cganas/picoCTF-web,cganas/picoCTF-web,alpire/picoCTF-web,cganas/picoCTF-web,picoCTF/picoCTF-web