cyclic -l alternate for both hex and ascii ;)

offset.py

#!/usr/bin/env python3

import sys
from pwn import *

def find(data):
	data = data[2:] if data[:2] == "0x" else data
	offset = -1
	try:
		data = unhex(data)[::-1].decode()
	except: offset = cyclic_find(data)
	if offset < 0:
		offset = cyclic_find(data)
	if offset >= 0:
		info(f"Found offset: {offset} [{data}]")
		return offset
	warn(f"Unable to find offset of {data}")
	return -1

if len(sys.argv) != 2:
	print("Usage: offset <value in hex>")
	exit(1)

find(sys.argv[1])