C321332233313331311331322121111331333133313232233323222121213211   >>    C32133223331333131133132212111133133313331323223332322212121321   <<    C321332233313331311331322121111331333133313232233323222121213213   >>      C321332233313331311331322121111331333133313232233323222121213212   >>