C32133223331333131133132212111133133313331323223332322211112131221   >>    C3213322333133313113313221211113313331333132322333232221111213122   <<    C32133223331333131133132212111133133313331323223332322211112131223   >>      C32133223331333131133132212111133133313331323223332322211112131222   >>