Hint 1 (ROT13 encoded): Gur pbybef bs gur abqrf va gur vachgf/bhgchgf ner n yvggyr zvfyrnqvat.
Hint 2: Fcrpvsvpnyyl, gubfr bs gur prageny abqr.
Hint 3: Vg qbrfa'g arrq gb or gur fnzr abqr.
Imma be real, I beat C9 by editing C4 lol.