C111123313121111121111331333133313331322121111331333133313232213121   >>    C11112331312111112111133133313331333132212111133133313331323221312   <<    C111123313121111121111331333133313331322121111331333133313232213123   >>      C111123313121111121111331333133313331322121111331333133313232213122   >>