C111123313121111121111331333133313331322121111331333133313221323111   >>    C11112331312111112111133133313331333132212111133133313331322132311   <<    C111123313121111121111331333133313331322121111331333133313221323113   >>      C111123313121111121111331333133313331322121111331333133313221323112   >>