C31232233133313221211113313331333133313331212111133132322233232311   >>    C3123223313331322121111331333133313331333121211113313232223323231   <<    C31232233133313221211113313331333133313331212111133132322233232313   >>      C31232233133313221211113313331333133313331212111133132322233232312   >>