C111123313121111121111331333133313331323232133112111113331311331333233311   >>    C11112331312111112111133133313331333132323213311211111333131133133323331   <<    C111123313121111121111331333133313331323232133112111113331311331333233313   >>      C111123313121111121111331333133313331323232133112111113331311331333233312   >>