C21231322221311331311211312111133132313223313331322121111133313332212133221   >>    C2123132222131133131121131211113313231322331333132212111113331333221213322   <<    C21231322221311331311211312111133132313223313331322121111133313332212133223   >>      C21231322221311331311211312111133132313223313331322121111133313332212133222   >>