C32133223331333131133132212111133133313331311212323121333222221   >>    C3213322333133313113313221211113313331333131121232312133322222   <<    C32133223331333131133132212111133133313331311212323121333222223   >>      C32133223331333131133132212111133133313331311212323121333222222   >>