C32133223331333131133132212111133133313331323132313331312121323331231122221   >>    C3213322333133313113313221211113313331333132313231333131212132333123112222   <<    C32133223331333131133132212111133133313331323132313331312121323331231122223   >>      C32133223331333131133132212111133133313331323132313331312121323331231122222   >>