C111113331333132322331333133313331333133313121111331331121111133313113313111   >>    C11111333133313232233133313331333133313331312111133133112111113331311331311   <<    C111113331333132322331333133313331333133313121111331331121111133313113313113   >>      C111113331333132322331333133313331333133313121111331331121111133313113313112   >>