C111123313121111121111331333133313331322121111331333133313331331121111133111   >>    C11112331312111112111133133313331333132212111133133313331333133112111113311   <<    C111123313121111121111331333133313331322121111331333133313331331121111133113   >>      C111123313121111121111331333133313331322121111331333133313331331121111133112   >>