C111123313121111121111331333133313331333133313331333133313331333223313331   >>    C11112331312111112111133133313331333133313331333133313331333133322331333   <<    C111123313121111121111331333133313331333133313331333133313331333223313333   >>      C111123313121111121111331333133313331333133313331333133313331333223313332   >>