C31232233133313221211113313331333133313331212111112111111312131   >>    C3123223313331322121111331333133313331333121211111211111131213   <<    C31232233133313221211113313331333133313331212111112111111312133   >>      C31232233133313221211113313331333133313331212111112111111312132   >>