C111123313121111121111331333133313331322121111331333133313331322331311333121   >>    C11112331312111112111133133313331333132212111133133313331333132233131133312   <<    C111123313121111121111331333133313331322121111331333133313331322331311333123   >>      C111123313121111121111331333133313331322121111331333133313331322331311333122   >>