- import re 
-   
- string1 = "Helloworld33" 
- string2 = "3hi3" 
-   
- valid = not any(sub.group(1) in string2 for sub in re.finditer(r"(?=(.{3}))", string1)) 
- print(valid) 
				aW1wb3J0IHJlCgpzdHJpbmcxID0gIkhlbGxvd29ybGQzMyIKc3RyaW5nMiA9ICIzaGkzIgoKdmFsaWQgPSBub3QgYW55KHN1Yi5ncm91cCgxKSBpbiBzdHJpbmcyIGZvciBzdWIgaW4gcmUuZmluZGl0ZXIociIoPz0oLnszfSkpIiwgc3RyaW5nMSkpCnByaW50KHZhbGlkKQ==