C321332233313331311331322121111331333133313112123231232222233231   >>    C32133223331333131133132212111133133313331311212323123222223323   <<    C321332233313331311331322121111331333133313112123231232222233233   >>      C321332233313331311331322121111331333133313112123231232222233232   >>