C31232233133313221211113313331333133313331212111113331333112311   >>    C3123223313331322121111331333133313331333121211111333133311231   <<    C31232233133313221211113313331333133313331212111113331333112313   >>      C31232233133313221211113313331333133313331212111113331333112312   >>