C32133223331333131133132212111133133313331323132313331312121323231122231121   >>    C3213322333133313113313221211113313331333132313231333131212132323112223112   <<    C32133223331333131133132212111133133313331323132313331312121323231122231123   >>      C32133223331333131133132212111133133313331323132313331312121323231122231122   >>