C31232233133313221211113313331333133313331212111133121111133123311   >>    C3123223313331322121111331333133313331333121211113312111113312331   <<    C31232233133313221211113313331333133313331212111133121111133123313   >>      C31232233133313221211113313331333133313331212111133121111133123312   >>