C31232233133313221211113313331333133313331212111133131211111133132323131   >>    C3123223313331322121111331333133313331333121211113313121111113313232313   <<    C31232233133313221211113313331333133313331212111133131211111133132323133   >>      C31232233133313221211113313331333133313331212111133131211111133132323132   >>