C31232233133313221211113313331333133313331212111133121111121133132212311   >>    C3123223313331322121111331333133313331333121211113312111112113313221231   <<    C31232233133313221211113313331333133313331212111133121111121133132212313   >>      C31232233133313221211113313331333133313331212111133121111121133132212312   >>