C31232233133313221211113313331333133313331212111113331323213311   >>    C3123223313331322121111331333133313331333121211111333132321331   <<    C31232233133313221211113313331333133313331212111113331323213313   >>      C31232233133313221211113313331333133313331212111113331323213312   >>