C321332233313331311331322121111331333133313232233323222313121231   >>    C32133223331333131133132212111133133313331323223332322231312123   <<    C321332233313331311331322121111331333133313232233323222313121233   >>      C321332233313331311331322121111331333133313232233323222313121232   >>