C111123313121111121111331333133313331333132232233132313113121221   >>    C11112331312111112111133133313331333133313223223313231311312122   <<    C111123313121111121111331333133313331333132232233132313113121223   >>      C111123313121111121111331333133313331333132232233132313113121222   >>