C111123313121111121111331333133313331333132233133313113313122331   >>    C11112331312111112111133133313331333133313223313331311331312233   <<    C111123313121111121111331333133313331333132233133313113313122333   >>      C111123313121111121111331333133313331333132233133313113313122332   >>