C32133223331333131133132212111133133313331323133323312112233231121   >>    C3213322333133313113313221211113313331333132313332331211223323112   <<    C32133223331333131133132212111133133313331323133323312112233231123   >>      C32133223331333131133132212111133133313331323133323312112233231122   >>