C31232233133313221211113313331333133313331212111133112113223311   >>    C3123223313331322121111331333133313331333121211113311211322331   <<    C31232233133313221211113313331333133313331212111133112113223313   >>      C31232233133313221211113313331333133313331212111133112113223312   >>