C3213322333133313113313221211113313331333133313121121123231231222121131   >>    C321332233313331311331322121111331333133313331312112112323123122212113   <<    C3213322333133313113313221211113313331333133313121121123231231222121133   >>      C3213322333133313113313221211113313331333133313121121123231231222121132   >>