C32133223331333131133132212111133133313331333131211211232122121211   >>    C3213322333133313113313221211113313331333133313121121123212212121   <<    C32133223331333131133132212111133133313331333131211211232122121213   >>      C32133223331333131133132212111133133313331333131211211232122121212   >>