C32133223331333131133132212111133133313331333131211211233212212332223121   >>    C3213322333133313113313221211113313331333133313121121123321221233222312   <<    C32133223331333131133132212111133133313331333131211211233212212332223123   >>      C32133223331333131133132212111133133313331333131211211233212212332223122   >>