C32133223331333131133132212111133133313331323223233123221333121   >>    C3213322333133313113313221211113313331333132322323312322133312   <<    C32133223331333131133132212111133133313331323223233123221333123   >>      C32133223331333131133132212111133133313331323223233123221333122   >>