C321332233313331311331322121111331333133313113123323223331221221   >>    C32133223331333131133132212111133133313331311312332322333122122   <<    C321332233313331311331322121111331333133313113123323223331221223   >>      C321332233313331311331322121111331333133313113123323223331221222   >>