C31232233133313221211113313331333133313332213121111331311331312131132311   >>    C3123223313331322121111331333133313331333221312111133131133131213113231   <<    C31232233133313221211113313331333133313332213121111331311331312131132313   >>      C31232233133313221211113313331333133313332213121111331311331312131132312   >>