C111123313121111121111331333133313331333133313331122112313111121   >>    C11112331312111112111133133313331333133313331333112211231311112   <<    C111123313121111121111331333133313331333133313331122112313111123   >>      C111123313121111121111331333133313331333133313331122112313111122   >>