C31232233133313221211113313331333133313331212111112111113332111221   >>    C3123223313331322121111331333133313331333121211111211111333211122   <<    C31232233133313221211113313331333133313331212111112111113332111223   >>      C31232233133313221211113313331333133313331212111112111113332111222   >>