i = "73626960647f6b206821204f21254f7d694f7624662065622127234f726927756d"
to_bytes = bytearray.fromhex(i)

for i in range(256):
    final = ""
    for e in to_bytes:
        final = final + chr(i ^ e)
    if ord(final[6]) + 2 == ord(final[-1]):
        print(final)