C32133223331333131133132212111133133313331333131211211232312321311   >>    C3213322333133313113313221211113313331333133313121121123231232131   <<    C32133223331333131133132212111133133313331333131211211232312321313   >>      C32133223331333131133132212111133133313331333131211211232312321312   >>