C31232233133313221211113313331333133313331212111112111113331123233313233121   >>    C3123223313331322121111331333133313331333121211111211111333112323331323312   <<    C31232233133313221211113313331333133313331212111112111113331123233313233123   >>      C31232233133313221211113313331333133313331212111112111113331123233313233122   >>