C31232233133313221211113313331333133313331212111112111113332231311   >>    C3123223313331322121111331333133313331333121211111211111333223131   <<    C31232233133313221211113313331333133313331212111112111113332231313   >>      C31232233133313221211113313331333133313331212111112111113332231312   >>