C31232233133313221211113313331333133313331212111133133313111333132211311   >>    C3123223313331322121111331333133313331333121211113313331311133313221131   <<    C31232233133313221211113313331333133313331212111133133313111333132211313   >>      C31232233133313221211113313331333133313331212111133133313111333132211312   >>